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What Is Coronavirus (COVID-19)?

  • What Is Coronavirus ?

    4:31

    What Is Coronavirus (COVID-19)? The World Health Organization declared the new #Coronavirus disease (COVID-19) outbreak a global health emergency in January 2020. Experts at Johns Hopkins Medicine are closely monitoring the spread of the virus and offering useful information on what the disease is and how to help prevent transmission. For more information, please visit the #JohnsHopkins Medicine coronavirus website.

    What is Coronavirus? (0:45)

  • Coronavirus disease

    5:18

    What do you know about the coronavirus disease (COVID-19) that is causing a health emergency?

    Coronaviruses (CoV) are a large family of viruses that cause illness ranging from the common cold to more severe diseases such as Middle East Respiratory Syndrome (MERS-CoV) and Severe Acute Respiratory Syndrome (SARS-CoV). COVID-19 is caused by a coronavirus that has not been previously identified in humans (SARS-CoV-2). To find out more, watch this short video which was revised on 15 June 2020 to reflect the evolving context.

    Further resources are available online:




    Learn about OpenWHO, WHO’s interactive, web-based, knowledge-transfer platform offering online courses to improve the response to health emergencies here:

  • Coronavirus: Canada secures Pfizer, Moderna COVID-19 vaccine candidates in new deals

    2:26

    The Canadian government has signed new deals with pharmaceutical firms Pfizer and Moderna to secure millions of doses in 2021 of the coronavirus vaccine candidates each company is currently developing. But as Mike Le Couteur reports, the announcement from the government was short on details.

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    #Coronavirus #COVID19 #Moderna #Pfizer #Canada #GlobalNews

  • Coronavirus Animation: High Impact Demonstrates How COVID-19 Impacts the Body

    1:57

    Coronavirus, which causes COVID-19, originated in the city of Wuhan, China, and has since spread across the globe at an alarming rate. We produced this 3D coronavirus animation to show how COVID-19 is believed to be transmitted while educating the public on the symptoms that may be caused by COVID-19.

    Most people who contract COVID-19 experience mild symptoms, such as sore throat, headache, fever, a dry cough, shortness of breath, and fatigue. However, in a subset of patients, the virus attacks the lungs, causing a more serious infection, such as pneumonia.

    Small air sacs in the lungs add oxygen to your blood cell. This oxygen is then transported to organs and tissues throughout the body. When the coronavirus attaches to a cell, it begins to replicate within the cell.

    The body’s immune system attempts to destroy the virus, which results in an inflammatory response that causes fluid accumulation in the lungs. As the lungs fill with fluid, the body’s available oxygen decreases, which can lead to organ injury and death.

    The risk of serious complications increases if a person is elderly or has associated medical conditions. Once infected, a person may show no symptoms, but can still infect others.
    What began in Wuhan has now spread across the globe as international efforts to contain the virus and minimize its spread to the larger population continue.

    Follow the World Health Organization for updates about the international spread of Coronavirus and how to protect yourself from COVID-19:


    Follow the U.S. Centers for Disease Control and Prevention to learn how the coronavirus outbreak is currently spreading across the United States, and recommendations for improving your safety and resilience.


    If you are currently leading government or private efforts to combat the coronavirus outbreak and you think our visualizations could help in your mission to educate the public or relevant stakeholders about this virus, we encourage you to visit our website, view some of our medical work, and reach out to learn how we can help.

  • COVID-19 | Coronavirus: Epidemiology, Pathophysiology, Diagnostics

    50:39

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    Ninja Nerds,
    What is Corona virus? What is COVID-19? Coronaviruses (CoV) are a large family of viruses that cause illness ranging from the common cold to more severe diseases such as Middle East Respiratory Syndrome (MERS-CoV) and Severe Acute Respiratory Syndrome (SARS-CoV). Coronavirus disease (COVID-19) caused by SARS-COV2 is a new strain that was discovered in 2019 and has not been previously identified in humans.
    Coronaviruses are zoonotic, meaning they are transmitted between animals and people.  Detailed investigations found that SARS-CoV was transmitted from civet cats to humans and MERS-CoV from camels to humans. Several known coronaviruses are circulating in animals that have not yet infected humans. It is believed that COVID-19 was transmitted from pangolin to humans (current theory).
    Common signs of infection include respiratory symptoms, fever, cough, shortness of breath and breathing difficulties. In more severe cases, infection can cause pneumonia, severe acute respiratory syndrome, kidney failure and even death (WHO, 2020).
    Ninja Nerd Lectures has compiled the most up to date and recent data on COVID-19 as of March 15, 2020. Please follow along with this lecture to understand the origin and zoonosis of COVID-19, the routes of transmission, epidemiology (current as of 3/15/2020), pathophysiology, and diagnostic tests used to identify COVID-19.
    As new information and research is published we will continue to provide updates on COVID-19 and ensure all of our viewers are kept up to date on the most recent data.

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    REFERENCES: World Health Organization (WHO), Centers for Disease Control and Prevention (CDC).


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  • COVID-19 March Update- causes, symptoms, diagnosis, treatment, pathology

    13:23

    Watch the Osmosis Video here:

    What is COVID-19 (Coronavirus Disease 19)? The coronaviruses that circulate among humans are typically benign, and they cause about a quarter of all common cold illnesses. But occasionally, coronaviruses, like COVID-19, circulate in an animal reservoir and mutate just enough to where they’re able to start infecting and causing disease in humans.

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    Medical disclaimer: Knowledge Diffusion Inc (DBA Osmosis) does not provide medical advice. Osmosis and the content available on Osmosis's properties (Osmosis.org, YouTube, and other channels) do not provide a diagnosis or other recommendation for treatment and are not a substitute for the professional judgment of a healthcare professional in diagnosis and treatment of any person or animal. The determination of the need for medical services and the types of healthcare to be provided to a patient are decisions that should be made only by a physician or other licensed health care provider. Always seek the advice of a physician or other qualified healthcare provider with any questions you have regarding a medical condition.

  • DOCTOR EXPLAINS COVID-19

    14:45

    Find out everything you need to know about coronavirus, SARS-CoV-2 and COVID-19.

    0:30 - What is coronavirus?
    1:13 - Where did the virus come from?
    1:50 - How long does it stay on surfaces?
    2:08 - What happens inside your body?
    2:50 - Incubation period
    3:10 - The spread of the virus in China
    4:30 - Symptoms
    5:25 - What should you do if you develop symptoms?
    8:07 - Who is at risk?
    9:02 - How can we stop the spread?
    11:58 - Should you wear a mask?
    12:36 - Treatments and Vaccines

    ???? GOOD RESOURCES about Coronavirus:
    1) World Health Organization:
    2) Centers for Disease Control and Prevention:

    3) Johns Hopkins: Map Tracker

    4) Vaccine Maker Project (all about viruses/vaccines)


    For those of you who are new to my channel, my name is Siobhan and I'm an internal medicine resident in Canada. In the coming weeks, I'll be working in the emergency department, inpatient hospital units and outpatient clinics.

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    Wash your hands, stay home
    We will get through this together! ????
    ~ Siobhan (Violin MD) ~

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    CREDITS:

    Animations created by and for the Vaccine Makers Project. Copyright © 2016, Medical History Pictures, Inc. All rights reserved.

    Maps used with permission from

    ARDS photo: By Altaf Gauhar Haji et al. doi:10.1186/1752-1947-2-336, CC BY 2.0,

  • COVID-19, August 6: Daniel Andrews announces 471 new coronavirus cases and eight deaths | ABC News

    4:22

    Victorian Premier Daniel Andrews announces an additional 471 coronavirus cases and eight deaths over the latest 24-hour period, as stage 4 restrictions limiting the number of workers allowed out of their homes leave an estimated 250,000 employees housebound.

    Health authorities in NSW confirm 12 new coronavirus infections, while at least five hotels and a stadium were visited by a confirmed coronavirus case in Newcastle.

    Read more here:

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  • Coronavirus en Colombia: Reporte de la situación actual del Covid-19 en el país

    21:00

    Noticias de último momento: Este es el informe de cómo se comporta la pandemia en el país

    EL TIEMPO Casa Editorial. Todos los derechos reservados.
    © 2020 #ElTiempoNoticias

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  • COVID-19 - February Update - causes, symptoms, diagnosis, pathology

    12:21

    *Most up-to-date video at:


    *March Update:

    What is COVID-19 (Coronavirus Disease 19)? The coronaviruses that circulate among humans are typically benign, and they cause about a quarter of all common cold illnesses. But occasionally, coronaviruses, like COVID-19, circulate in an animal reservoir and mutate just enough to where they’re able to start infecting and causing disease in humans.

    Find our complete video library only on Osmosis Prime:

    Hundreds of thousands of current & future clinicians learn by Osmosis. We have unparalleled tools and materials to prepare you to succeed in school, on board exams, and as a future clinician. Sign up for a free trial at

    Subscribe to our Youtube channel at

    Get early access to our upcoming video releases, practice questions, giveaways, and more when you follow us on social media:
    Facebook:
    Twitter:
    Instagram:

    Our Vision: Everyone who cares for someone will learn by Osmosis.
    Our Mission: To empower the world’s clinicians and caregivers with the best learning experience possible. Learn more here:

    Medical disclaimer: Knowledge Diffusion Inc (DBA Osmosis) does not provide medical advice. Osmosis and the content available on Osmosis's properties (Osmosis.org, YouTube, and other channels) do not provide a diagnosis or other recommendation for treatment and are not a substitute for the professional judgment of a healthcare professional in diagnosis and treatment of any person or animal. The determination of the need for medical services and the types of healthcare to be provided to a patient are decisions that should be made only by a physician or other licensed health care provider. Always seek the advice of a physician or other qualified healthcare provider with any questions you have regarding a medical condition.

  • Coronavirus Update #2 ????????SARS-CoV-2

    21:20

    ????????Animated Mnemonics (Picmonic):

    - With Picmonic, get your life back by studying less and remembering more. Medical and Nursing students say that Picmonic is the most comprehensive and effective way to bridge learning and test prep...
    Disclaimer: I use affiliate links....

    A new COVID-19 video is available: Questions and Answers

    ► My Cardiac Pharmacology Course is on sale:

    * Novel Coronavirus (Viral outbreak of SARS-CoV-2, formerly 2019 nCoV ???? ????) COVID-19 Respiratory disease.
    * SARS-CoV-2 (The coronavirus epidemic that causes the disease COVID-19) probably started in the Wildlife Market in China in Wuhan, Hubei Province, Mainland China.
    * This coronavirus has since spread to Hong Kong, Thailand, South Korea, Italy, France, Iran, Germany, United States, Canada, Singapore, Spain, Bahrain, Kuwait, and many other countries.
    * Coronavirus (CoV) is a single-stranded, positive-sense RNA virus. There was a recent outbreak (epidemic) of Coronavirus in Wuhan, China...The new virus has been called Wuhan Virus, Novel Coronavirus, Wuhan Seafood Market Pneumonia Virus, SARS-CoV-2, COVID-19, and 2019 nCoV.
    * Complications of COVID-19 include viral pneumonia, acute respiratory distress syndrome (ARDS), severe respiratory distress requiring mechanical ventilation, and even death!

    *It’s important that we remember that these are not just numbers, these are actual flesh and blood human beings.

    * Stay up to date by checking the website of the World Health Organization (WHO) ,and the Center for Disease Control and Prevention (CDC).

    I am not a licensed physician, and the information provided in this video is for educational purpose only, and not to provide medical advice...If you have any symptoms, please talk to your doctor.

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    ????????Picture Mnemonics:

    Useful tools:
    The Johns Hopkin's Interactive Map:


    The Worldometers Website:



    SARS: Severe Acute Respiratory Syndrome.
    Corona viruses are enveloped. Coronaviruses include Severe Acute Respiratory Syndrome (SARS), Middle-Eastern respiratory syndrome (MERS), SARS-CoV-2 Coronavirus (COVID-19). My Favorite Productivity App:

  • COVID-19 Animation: What Happens If You Get Coronavirus?

    7:28

    This video 3D animation on COVID-19: What Happens If You Get Coronavirus is a collaboration between Nucleus Medical Media and our friends at the What If Channel. To watch super interesting hypothetical scenarios on the human body, humanity, the planet and the cosmos, please visit the What If Channel at

  • Coronavirus COVID-19 Symptoms, Causes, Prevention Nursing Review

    12:22

    Coronavirus (COVID-19) nursing review of the symptoms, causes, and prevention measures.

    COVID-19 stands for coronavirus disease in 2019. It is a new type of coronavirus that was first discovered in December 2019 in Wuhan, China.

    The name coronavirus is a term used to describe a large set of respiratory type viruses. Therefore, they are several types of coronaviruses. Over the past decade or so, there have been other coronavirus outbreaks throughout the world. This includes the SARS (severe acute respiratory syndrome) and MERS (middle east respiratory syndrome) outbreak.

    Coronaviruses originate from infected animals and can be passed from animals to humans, which will then spread human to human. When this occurs it is termed a zoonotic spillover event. MERS started in Saudi Arabia and originated from camels. While SARS started in China and originated from civet cats. COVID-19 started in Wuhan, China and the origin is currently unknown.

    COVID-19 symptoms include: fever, cough, shortness of breath, fatigue, sore throat etc. To be diagnosed with COVID-19 a real-time PCR test must be used. This will assess and detect the genetic material of the COVID-19 virus (SARS-CoV-2).

    For more detailed information, please watch the video.

    #coronavirus #covid-19

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  • 3D Animation: SARS-CoV-2 virus transmission leading to COVID-19

    1:32

    Thanks to the brilliant team at Helix Animation for this 3D animation outlining the most common ways of transmitting the coronavirus SARS=CoV-2 based on the latest relevant scientific research available (March 2020).

    Please note that the knowledge of this infectious disease and its transmission, as well as on this novel coronavirus, is still incomplete and evolving. Facts may change over time as the outbreak is ongoing with the latest updates found at:

    As typical for 3D visualizations, the overall virus representation is an artistic depiction, and the surface proteins density and distribution have been simplified, in order the entire audience to easily grasp the most prominent features of this virus.

    In light of the united global effort, we would like to provide free usage of this video and/or any of the imagery shown, as long as it is properly credited (including the logo and the full text in the lower left corner). Thus, if you’d like to use it, please drop us a line via our contact section at (Video/Imagery Usage) and we’ll get back to you with the video/imagery files.

  • Coronavirus outbreak explained through 3D Medical Animation

    6:09

    This video is available in different language subtitles English, Korean (
    Our dedicated microsite-
    The 2019 nCoV Novel Coronavirus is fast threatening to become a pandemic. This 3D medical animation explains the story so far, covering what is a pandemic, current rates of infection and tips to protect against infections. It also delves into the biology and mechanism of action MoA that coronavirus uses to infect and destroy human cells. Though the exact MoA for this coronavirus is not known.

    Check back daily for more information as it develops. Alternatively, see our website: , or our dedicated microsite above. The PDF in the video is available for free download also. It is provided under a Wiki CC4.0 creative commons license.

    For those of you leading government or private institutions or in the medical community , and if you think our visualizations can help in any way, please feel free to reach out.

    Also, any voice over artists, translators, that can offer to support our effort, please contact us on info@scientificanimations.com .

    Link to the 3D structure mentioned in the video:

  • Sounds of Coronavirus - Lung Sounds

    1:29

    Coronaviruses are important human and animal pathogens. At the end of 2019, a novel coronavirus was identified as the cause of a cluster of pneumonia cases in Wuhan, a city in the Hubei Province of China. It rapidly spread, resulting in an epidemic throughout China, followed by an increasing number of cases in other countries throughout the world. It was declared a pandemic on March 11, 2020. It causes the respiratory disease COVID-19.

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    // DISCLAIMER

    The content in this video is intended for educational purposes only. This video is intended to be viewed by medical professionals and healthcare providers. The content of this video is not meant to change, advise or direct any medical decision making. If you have any concerns you should always speak with your doctor or another healthcare provider. The graphical representations and sounds in this video are artistic renditions and simulations of pathology and do not accurately represent anatomical/pathological medical depictions.

  • **COVID-19** a visual summary of the new coronavirus pandemic

    11:50

    Information to make this video was obtained and collated from the following resources: UpToDate, CDC, WHO and journal articles from the Lancet and NEJM.

    The World health organisation (WHO) has declared COVID-19 a pandemic. COVID 19 stands for coronavirus disease 2019 and is caused by the severe acute respiratory syndrome coronavirus 2.

    Coronaviruses are a large family of viruses that are common in people and many different species of animals including cats and bats. Common human coronavirus typically causes an upper respiratory tract infection, like the common cold. Most people get infected with one or more of these viruses at some point in their lives. The human coronavirus infection typically resolves on its own with basic rest while feeling miserable.

    Rarely, the coronaviruses that infect animals can evolve and become a new human coronavirus which then infect and spread between people. Important examples include severe acute respiratory syndrome coronavirus or SARS in 2003 and Middle East respiratory syndrome coronavirus also known MERS in 2012

  • What happens after a COVID-19 vaccine is available?

    4:54

    An epidemiologist and infectious disease specialist answer questions about a COVID-19 vaccine, including what happens after a vaccine is approved and available in Canada.

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  • Introduction to Coronaviruses : Hosts, Symptoms, History of SARS and MERS

    7:21

    Lesson on Coronaviruses (SARS, MERS, COVID-19): Viral subtypes, Coronaviruses are a family of RNA viruses that are important viral pathogens in animals and humans. There are four classifications of coronaviruses, with two that are important causes of infections in humans. Coronaviruses can cause both respiratory tract infections and gastrointestinal infections in adults and children. Signs and symptoms are variable dependent on the coronavirus involved. Animals can be both infected and be hosts for the coronaviruses. Transmission of these viruses between species can lead to mutations and development of novel coronaviruses, which can lead to human epidemics and outbreaks. In this lesson, we also discuss a brief history of past human outbreaks and epidemics involving coronaviruses, including severe acute respiratory syndrome (SARS) and Middle East respiratory syndrome (MERS) and the new Wuhan coronavirus (2019-nCoV).

    I hope you find this lesson helpful. If you do, please consider liking, subscribing and clicking the notification bell to help support the channel.

    JJ

    REFERENCES FOR INFORMATION FROM THIS LESSON:

    1) The proximal origin of SARS-CoV-2 (2020). Nature Medicine.
    2) Review of Bats and SARS (2006). Emerging Infectious Diseases.

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    **MEDICAL DISCLAIMER**: JJ Medicine does not provide medical advice, and the information available on this channel does not offer a diagnosis or advice regarding treatment. Information presented in these lessons is for educational purposes ONLY, and information presented here is not to be used as an alternative to a healthcare professional’s diagnosis and treatment of any person/animal.

    Only a physician or other licensed healthcare professional are able to determine the requirement for medical assistance to be given to a patient. Please seek the advice of your physician or other licensed healthcare provider if you have any questions regarding a medical condition.

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    *Although I try my best to present accurate information, there may be mistakes in this video. If you do see any mistakes with information in this lesson, please comment and let me know.*

    I am always looking for ways to improve my lessons! Please don't hesitate to leave me feedback and comments - all of your feedback is greatly appreciated! :)

    Thanks for watching! If you found this video helpful, please like and subscribe!
    JJ

  • Understanding the Virus that Causes COVID-19, Animation

    4:36

    Overview of coronavirus family, origin of SARS-CoV-2, viral structure and life cycle, pathophysiology. This video is available for instant download licensing here :
    ©Alila Medical Media. All rights reserved.
    Voice by: Ashley Fleming
    Support us on Patreon and get early access to our videos and FREE image downloads:
    All images/videos by Alila Medical Media are for information purposes ONLY and are NOT intended to replace professional medical advice, diagnosis or treatment. Always seek the advice of a qualified healthcare provider with any questions you may have regarding a medical condition.
    Coronaviruses are a large family of enveloped, RNA viruses. There are 4 groups of coronaviruses: alpha and beta, originated from bats and rodents; and gamma and delta, originated from avian species. Coronaviruses are responsible for a wide range of diseases in many animals, including livestock and pets. In humans, they were thought to cause mild, self-limiting respiratory infections until 2002, when a beta-coronavirus crossed species barriers from bats to a mammalian host, before jumping to humans, causing the Severe Acute Respiratory Syndrome, SARS, epidemic. More recently, another beta-coronavirus is responsible for the serious Middle East Respiratory Syndrome, MERS, started in 2012. The novel coronavirus responsible for the Coronavirus Disease 2019 pandemic, COVID-19, is also a beta-coronavirus. The genome of the virus is fully sequenced and appears to be most similar to a strain in bats, suggesting that it also originated from bats. The virus is also very similar to the SARS-coronavirus and is therefore named SARS-coronavirus 2, SARS-CoV 2. At the moment, it’s not yet clear if the virus jumped directly from bats to humans, or if there is a mammalian intermediate host.
    Coronavirus genome is a large, single-stranded, positive-sense RNA molecule that contains all information necessary for the making of viral components. The RNA is coated with structural proteins, forming a complex known as nucleocapsid. The nucleocapsid is enclosed in an envelope, which is basically a LIPID membrane with embedded proteins. From the envelope, club-like spikes emanate, giving the appearance of a crown. This is where the “corona” name came from.
    The integrity of the envelope is essential for viral infection, and is the Achilles’ heel of the virus, because the lipid membrane can easily be destroyed by lipid solvents such as detergents, alcohol and some disinfectants. In fact, enveloped viruses are the easiest to inactivate when they are outside a host.
    In order to infect a host cell, the spikes of the virus must BIND to a molecule on the cell surface, called a receptor. The specificity of this binding explains why viruses are usually species specific – they have receptors in certain species, and not others. Host jumping is usually triggered by mutations in spike proteins which change them in a way that they now can bind to a receptor in a new species.
    The novel coronavirus appears to use the same receptor as SARS-coronavirus for entry to human cells, and that receptor is the angiotensin-converting enzyme 2, ACE2. Infection usually starts with cells of the respiratory mucosa, then spreads to epithelial cells of alveoli in the lungs.
    Receptor binding is followed by fusion of the viral membrane with host cell membrane, and the release of nucleocapsid into the cell. The virus then uses the host machinery to replicate, producing viral RNAs and proteins. These are then assembled into new viral particles, called virions, by budding into intracellular membranes. The new virions are released and the host cell dies.
    Uncontrolled growth of the virus destroys respiratory tissues, producing symptoms. Infection triggers the body’s inflammatory response, which brings immune cells to the site to fight the virus. While inflammation is an important defense mechanism, it may become excessive and cause damage to the body’s own tissues, contributing to the severity of the disease. In an otherwise healthy person, there is a good chance that the virus is eventually eliminated and the patient recovers, although some may require supportive treatments. On the other hand, people with weakened immune system or underlying chronic diseases may progress to severe pneumonia or acute respiratory distress syndrome, which can be fatal.

  • How Community Spread Happens Fast - Coronavirus Updated 4-7-2020

    3:07

    Justin, a millennial, brings a box of donuts to the office and unknowingly spreads the coronavirus to his colleagues who further spread throughout the community. A motion graphic animation to show how healthy people are so crucial in curbing the spread and how community spread of Coronavirus (COVID-19) occurs - sometimes unknowingly by seemingly healthy people spreading the disease rapidly in socially dense environments.

  • Coronavirus - COVID-19

    1:13

    Elara collaborated with Jason McLellan, Associate Professor of Molecular Biosciences at the University of Texas at Austin, and with the National Institutes of Health (NIH), on this Coronavirus Spike Protein MoA animation.

  • How Coronavirus Kills: Acute Respiratory Distress Syndrome & COVID-19 Treatment

    11:05

    How COVID-19 causes fatalities from acute respiratory distress syndrome (ARDS) by pulmonologist and critical care specialist Dr. Seheult of
    This video illustrates how viruses such as the novel coronavirus SARS-CoV-2 can cause pneumonia or widespread lung inflammation resulting in ARDS.
    Includes evidenced-based ARDS treatment breakthrough strategies: Low tidal volume ventilation, paralysis, and prone positioning.

    Our more recent COVID-19 updates can be accessed free at our website or here on YouTube:

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    Topics from our COVID-19 pandemic series include: =Ibuprofen and COVID-19 (are NSAIDs safe?), trials of HIV medications, Rapid coronavirus Spread with Mild or No Symptoms, How Hospitals & Clinics Can Prepare for COVID-19, Global Cases Surge, The ACE-2 Receptor - The Doorway to COVID-19 (ACE Inhibitors & ARBs), Flatten The COVID-19 Curve, Social Distancing, Hospital Capacities, New Outbreaks & Travel Restrictions, Possible COVID-19 Treatments, Chloroquine & Zinc Treatment Combo, Italy Lockdown, Medication Treatment Trials, Global Testing Remains Limited, Coronavirus Epidemic Update 32: Data from South Korea, Can Zinc Help Prevent corona virus? Mortality Rate, Cleaning Products, A More/Less Severe Virus Strain? More Global COVID-19 Outbreaks, Vitamin D May Aid Prevention, Testing problems, mutations, COVID-19 in Iran & more.

    MedCram.com has medical education topics explained clearly including: Respiratory lectures such as Asthma and COPD. Renal lectures on Acute Renal Failure, Urinalysis, and The Adrenal Gland. Internal medicine videos on Oxygen Hemoglobin Dissociation Curve / Oxyhemoglobin Curve and Medical Acid Base. A growing library on critical care topics such as Shock, Diabetic Ketoacidosis (DKA), aortic stenosis, and Mechanical Ventilation. Cardiology videos on Hypertension, ECG / EKG Interpretation, and heart failure. VQ Mismatch and Hyponatremia lectures have been popular among medical students and physicians. The Pulmonary Function Tests (PFTs) videos, novel coronavirus in china (wuhan virus), 2019-nCoV, 武汉 肺炎, CDC, infectious disease, MERS, SARS, how coronavirus causes morbidity and mortality, world health organization, and Ventilator-associated pneumonia lectures have been particularly popular with RTs. NPs and PAs have provided great feedback on Pneumonia Treatment and Liver Function Tests among many others. Mechanical ventilation for nursing and the emergency & critical care RN course is available at MedCram.com. Dr. Jacquet teaches our EFAST exam tutorial, lung sonography & bedside ultrasound courses. Many nursing students have found the Asthma and shock lectures very helpful. We're starting a new course series on clinical ultrasound & ultrasound medical imaging in addition to other radiology lectures.

    Recommended Audience - Clinicians and medical students including physicians (MD and DO), nurse practitioners (NPs) , physician assistants (PAs), nurses (RNs), respiratory therapists (RTs), EMT and paramedics, and other clinicians. Review and test prep for USMLE, MCAT, PANCE, NCLEX, NAPLEX, NBDE, RN, RT, MD, DO, PA, NP school and board examinations. Continuing Medical Education (CME), MOC Points, CEU / CEs for medical professionals.

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    Please note: MedCram medical videos, medical lectures, medical illustrations, and medical animations are for medical education and exam preparation purposes, and not intended to replace recommendations by your doctor or health care provider.

    #coronavirus #COVID19 #ARDS

  • Coronavirus outbreak: A timeline of how COVID-19 spread around world

    9:50

    A timeline of some of the most significant moments during the novel coronavirus outbreak, which originated in Wuhan, China, in late December and spread across the world, creating a COVID-19 pandemic in less than three months.

    For more info, please go to to Global News Channel HERE:

    Like Global News on Facebook HERE:
    Follow Global News on Twitter HERE:
    Follow Global News on Instagram HERE:
    #GlobalNews #Coronavirus #COVID19

  • Is Coronavirus COVID-19 Airborne?

    1:37

    Watch the full Coronavirus course for FREE at: (certificate available for a small fee).

  • COVID-19 , coronavirus life cycle, treatment

    28:20

    The World health organization (WHO) has declared COVID-19 a pandemic. COVID 19 stands for coronavirus disease 2019 and is caused by the severe acute respiratory syndrome coronavirus 2.

    Coronaviruses are a large family of viruses that are common in people and many different species of animals including cats and bats. Common human coronavirus typically causes a URTI, like the common cold. Most people get infected with one or more of these viruses at some point in their lives. The human coronavirus infection typically resolves on its own with basic rest while feeling miserable.

    Rarely, the coronaviruses that infect animals can evolve and become a new human coronavirus which then infect and spread between people. Important examples of these type of coronavirus include severe acute respiratory syndrome coronavirus, SARS CoV for short in 2003 and Middle East respiratory syndrome coronavirus also known as MERS.

  • Coronavirus disease is caused by a virus, NOT by bacteria

    40

    The virus that causes COVID-19 is in a family of viruses called Coronaviridae. Antibiotics do not work against viruses.

    Some people who become ill with COVID-19 can also develop a bacterial infection as a complication. In this case, antibiotics may be recommended by a health care provider.

    There is currently no licensed medication to cure COVID-19. If you have symptoms, call your health care provider or COVID-19 hotline for assistance.

  • HOW DOES COVID-19 AFFECT THE BODY?

    5:15

    Coronaviruses (CoV) are a family of viruses that cause sicknesses like the common cold, as well as more severe diseases, such as Middle East Respiratory Syndrome and Severe Acute Respiratory Syndrome. A novel coronavirus (nCoV) is a new strain – one that hasn’t previously been recognized in humans.
    Coronaviruses cause diseases in mammals and birds. A zoonotic virus is one that is transmitted between animals and people. When a virus circulating in animal populations infects people, this is termed a “spillover event”.
    How does CoVID-19 affect the body? The virus is fitted with protein spikes sticking out of the envelope that forms the surface and houses a core of genetic material. Any virus that enters your body looks for cells with compatible receptors – ones that allow it to invade the cell. Once they find the right cell, they enter and use the cell’s replication machinery to create copies of themselves. It is likely that COVID-19 uses the same receptor as SARS – found in both lungs and small intestines.
    It is thought that CoVID-19 shares many similarities with SARS, which has three phases of attack: viral replication, hyper-reactivity of the immune system, and finally pulmonary destruction. Early on in infection, the coronavirus invades two types of cells in the lungs – mucus and cilia cells. Mucus keeps your lungs from drying out and protects them from pathogens. Cilia beat the mucus towards the exterior of your body, clearing debris – including viruses! – out of your lungs. Cilia cells were the preferred hosts of SARS-CoV, and are likely the preferred hosts of the new coronavirus. When these cells die, they slough off into your airways, filling them with debris and fluid. Symptoms include a fever, cough, and breathing difficulties. Many of those infected get pneumonia in both their lungs.
    Enter the immune system. Immune cells recognize the virus and flood into the lungs. The lung tissue becomes inflamed. During normal immune function, the inflammatory process is highly regulated and is confined to infected areas. However, sometimes the immune system overreacts, and this results in damage to healthy tissue. More cells die and slough off into the lungs, further clogging them and worsening the pneumonia.
    As damage to the lungs increases, stage three begins, potentially resulting in respiratory failure. Patients that reach this stage of infection can incur permanent lung damage or even die. We see the same lesions in the lungs of those infected by the novel coronavirus as those with SARS. SARS creates holes in the lungs, so they look honeycomb-like. This is probably due to the aforementioned over-reactive immune response, which affects tissue both infected and healthy and creates scars that stiffen the lungs. As such, some patients may require ventilators to aid breathing.
    The inflammation also results in more permeable alveoli. This is the location of the thin interface of gas exchange, where your lungs replace carbon dioxide in your blood with fresh oxygen you just inhaled. Increased permeability causes fluid to leak into the lungs. This decreases the lungs’ ability to oxygenate blood, and in severe cases, floods them so that you become unable to breathe. Sometimes, this can be fatal.
    The immune system’s over-reaction can also cause another kind of damage. Proteins called cytokines are the immune system’s alarm system, recruiting immune cells to the infection site. Over-production of cytokines can result in a cytokine storm, where there is large-scale inflammation in the body. Blood vessels become more permeable and fluid seeps out. This makes it difficult for blood and oxygen to reach the rest of the body and can result in multi-organ failure. This has happened in the most severe cases of CoVid-19. Although there are no specific treatments for coronaviruses, symptoms can be treated through supportive care. Also, vaccines are currently in development.
    What can you do to protect yourself from CoVid-19? Basic protocol comes down to regular hand washing, avoiding close contact with anyone coughing or sneezing, avoiding unnecessary contact with animals, washing hands after contact with animals, thoroughly cooking meat and eggs prior to consumption, and covering your mouth and nose while coughing or sneezing. Respiratory viruses are typically transmitted via droplets in sneezes or coughs of those infected, so preventing their travel stops the spread of disease.

    Alveoli model from:

  • EN VIVO | Reporte diario desde el Ministerio de Salud - Nuevo coronavirus COVID-19

    00

  • Coronavirus : persconferentie Update van 07/08/2020

    00

    Yves Stevens (NL) - Nationaal Crisiscentrum
    Antoine Iseux (FR) - Centre de crise

    National
    - Frédérique Jacobs Interfederaal woordvoerder
    - Steven Van Gucht (NL) Sciensano -
    Vorige updates:

  • Living with Coronavirus Symptoms & Treatments

    13:16

    Audioholics GoFundMe:

    I shot this video to share my experiences living with the Coronavirus (COVID-19). I discuss the symptoms I've experienced, the treatments that have helped with recovery and the process I've been enduring to keep my family safe. Thank you for all of your kind words and support during this event. Positive energy, and prayers will get us all through this and let's hope for the best outcome in the near future.


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    #coronavirus #covid-19

  • Is This Coronavirus, or Just Allergies? Symptoms of COVID-19

    11:04

    A lot of people with coughs or fevers might be stressing out these days because they are worried that they have COVID-19. But with cold and flu season still in full swing, and the spring allergy season starting up (in the Northern Hemisphere anyway), there are plenty of other things out there that could potentially explain these symptoms.

    How to care for patients with suspected coronavirus disease:

    Go to to try out Brilliant’s Daily Challenges. The first 200 subscribers get 20% off an annual Premium subscription.

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  • Coronavirus: BC records 146 COVID-19 cases over 4 days, no new deaths | FULL

    46:59

    Health officials on Tuesday reported 146 cases of COVID-19 in B.C. over the past four days and no new deaths.

    The province’s confirmed cases now total 3,787. Of those, 3,273 patients have fully recovered, or about 86 per cent. There are now 319 active cases in the province – an increase of 41 since Friday.

    Health Minister Adrian Dix said the bulk of the province’s active cases are in the Metro Vancouver area.

    Officials are also reporting an uptick in hospitalizations. The number of patients in intensive care has doubled from two to four.

    For more info, please go to

    Subscribe to Global News Channel HERE:
    Like Global News on Facebook HERE:
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    #GlobalNews #coronavirus #COVID19 #bcpoli

  • Coronavirus Pandemic | COVID-19

    11:03

    Coronavirus Pandemic | COVID-19
    #coronavirus #covid19 #covid_19

    Coronavirus | COVID-19 YouTube Video Playlist:


    Coronavirus aka COVID-19 is now a pandemic. I explain why in this Coronavirus Pandemic video.
    COVID-19 which is caused by the SARS-CoV-2 virus is a PANDEMIC. It might not be an official declaration by the WHO, but, there is no question, that this is a pandemic.
    The WHO already has a credibility problem with a lot of people, and that’s only going to get worse the longer they delay calling COVID-19 a pandemic.
    This reason is that the epidemic is now spreading in different continents.
    Specifically, there is sustained transmission from person to person in people who have not recently been to China or have not been exposed to someone who was recently in China.
    Of course, we know about the 80,000 or so cases in Asia, with China, South Korea, and even Iran still being part of Asia, but the big news is the number of cases in Italy, and in the US as well.
    We are past the point of containing the virus. But we can do things to slow it down. And this starts by declaring it a pandemic, with governments taking appropriate action to slow the spread of COVID-19.
    As of the recording of this video, Italy has 215 cases with 7 deaths.
    Over three days, there was a rapid spike in coronavirus confirmed cases in the northern regions of Lombardy and Veneto. Authorities have closed down 12 towns as they try to stop the virus from spreading.
    And it's still a mystery as to who patient 0 is, which makes it harder to track and stop the outbreak there.
    They have canceled sports games and closed schools, universities, restaurants, and tourist attractions.
    Now, in the US, San Antonio has 6 new cases as a result of Americans being repatriated from the Diamond Princess Cruise Ship. And there are expected to be more cases as there are more tests still pending.
    Part of the reason why you can't contain this coronavirus is that we know that it spreads in infected people who don’t have symptoms. This has been proven in at least 3 different published studies from reputable journals.
    On a large scale, the best way to slow this virus down is by limiting travel and avoiding big crowds.
    From an individual standpoint, the best thing to do is going to be the same thing you do prevent the flu, with the exception being there is no vaccine for COVID-19 at the moment. So this entails, frequent hand washing, avoid touching your face without washing your hands, avoiding sick people, and disinfecting commonly used surfaces and objects. Masks, and other PPE such as gloves, may or may not be beneficial, depending on the circumstances. I dive deeper into this subject in my other video (“should you wear a mask?”).
    Another thing you want to do is make sure your immune system is running at full capacity to fight with the Coronavirus. This includes things like eating healthy, exercising, getting good sleep, and not smoking.

    Dr. Mike Hansen, MD
    Internal Medicine | Pulmonary Disease | Critical Care Medicine
    Website:

    Please subscribe to my channel and press the bell icon:


    #coronavirus #covid19 #covid_19

  • What are the Signs and Symptoms of Coronavirus COVID-19?

    1:46

    Watch the full Coronavirus course for FREE at: (certificate available for a small fee).

  • Coronavirus Pandemic Update 42: Immunity to COVID-19 and is Reinfection Possible?

    18:34

    Coronavirus (COVID-19) Update 42 with Roger Seheult, MD of

    With medical professionals, supplies, and equipment in short supply during the coronavirus pandemic, understanding how viral antibodies and immunity works (and the possibility of reinfection) is a key concept. Dr. Seheult reviews an encouraging pre-print (non-peer-reviewed) study that showed that COVID-19 re-infection was not observed in a primate called macaques.

    PLEASE NOTE: This video was recorded on March 23, 2020. Our more recent COVID-19 updates can be accessed free at our website or here on YouTube:

    We've produced each COVID-19 video with the best information we could access at the time of recording. Naturally, some videos will contain information that has become outdated or replaced by better information or research.

    That said, we believe each video contains concepts that have enduring value and reviewing how the response to COVID-19 has progressed over time may be of interest to you as well.


    Website LINKS from this video:



    Healthlynked Tracker App:















    Some previous videos from this series (visit MedCram.com for the full series):
    - Coronavirus Pandemic Update 41: Shelter In Place, FDA Investigates Hydroxychloroquine for COVID-19:
    - Coronavirus Pandemic Update 40: Ibuprofen and COVID-19 (are NSAIDs safe?), trials of HIV medications:
    - Coronavirus Pandemic Update 39: Rapid COVID-19 Spread with Mild or No Symptoms, More on Treatment:
    - Coronavirus Pandemic Update 38: How Hospitals & Clinics Can Prepare for COVID-19, Global Cases Surge:
    - Coronavirus Pandemic Update 37: The ACE-2 Receptor - The Doorway to COVID-19 (ACE Inhibitors & ARBs):
    - Coronavirus Pandemic Update 36: Flatten The COVID-19 Curve, Social Distancing, Hospital Capacities:
    - Coronavirus Pandemic Update 35: New Outbreaks & Travel Restrictions, Possible COVID-19 Treatments:
    - Coronavirus Epidemic Update 34: US Cases Surge, Chloroquine & Zinc Treatment Combo, Italy Lockdown:
    - Coronavirus Epidemic Update 33: COVID-19 Medication Treatment Trials, Global Testing Remains Limited:
    - Coronavirus Epidemic Update 32: Important Data from South Korea, Can Zinc Help Prevent COVID-19?
    - Coronavirus Epidemic Update 31: Mortality Rate, Cleaning Products, A More/Less Severe Virus Strain?
    - Coronavirus Epidemic Update 30: More Global COVID-19 Outbreaks, Vitamin D May Aid Prevention:
    - Coronavirus Epidemic Update 29: Testing problems, mutations, COVID-19 in Washington & Iran:
    - Coronavirus Epidemic Update 28: Practical Prevention Strategies, Patient Age vs. Case Fatality Rate:
    - Coronavirus Epidemic Update 27: Testing accuracy for COVID-19 (CT Scan vs. RT-PCR), California Cases and Coronavirus Los Angeles:
    - Novel Coronavirus Epidemic Update 26: Treatment Updates, Stock Markets, Germany & San Francisco, Pandemic?
    - Coronavirus Epidemic Update 25: Vaccine Developments, Italy's Response, and Mortality Rate Trends:

    - How Coronavirus Kills: Acute Respiratory Distress Syndrome (ARDS) & Treatment:

    Many other videos on COVID-19 and other medical topics (ECG Interpretation, hypertension, DKA, acute kidney injury, influenza, measles, mechanical ventilation, etc.) at MedCam.com

    Speaker: Roger Seheult, MD
    Board Certified in Internal Medicine, Pulmonary Disease, Critical Care, and Sleep Medicine.

    Produced by Kyle Allred, PA

    Media Contact: Hayley@MedCram.com

    MedCram medical videos are for medical education and exam preparation, and NOT intended to replace recommendations from your doctor.
    #Coronavirus #COVID19 #SARSCoV2

  • Coronavirus Pandemic Update 44: Loss of Smell & Conjunctivitis in COVID-19, Is Fever Helpful?

    13:26

    Coronavirus (COVID-19) Update 44 with Roger Seheult, MD of

    There is new evidence that loss of smell (anosmia) may be an indicator of COVD-19 infection. New reports also suggest that COVID-19 may cause conjunctivitis (pink eye), and be potentially spread through contact with the conjunctiva. Dr. Seheult discusses evidence about how untreated fever may be beneficial for fighting viral illnesses such as coronavirus.

    PLEASE NOTE: This video was recorded on March 26, 2020. Our more recent COVID-19 updates can be accessed free at our website or here on YouTube:

    We've produced each COVID-19 video with the best information we could access at the time of recording. Naturally, some videos will contain information that has become outdated or replaced by better information or research.

    That said, we believe each video contains concepts that have enduring value and reviewing how the response to COVID-19 has progressed over time may be of interest to you as well.


    Website LINKS from this video:

























    Some previous videos from this series (visit MedCram.com for the full series):
    - Coronavirus Pandemic Update 43: Shortages, Immunity, & Can a TB Vaccine (BCG) Help Prevent COVID-19?
    - Coronavirus Pandemic Update 42: Immunity to COVID-19 and is Reinfection Possible?
    - Coronavirus Pandemic Update 41: Shelter In Place, FDA Investigates Hydroxychloroquine for COVID-19:
    - Coronavirus Pandemic Update 40: Ibuprofen and COVID-19 (are NSAIDs safe?), trials of HIV medications:
    - Coronavirus Pandemic Update 39: Rapid COVID-19 Spread with Mild or No Symptoms, More on Treatment:
    - Coronavirus Pandemic Update 38: How Hospitals & Clinics Can Prepare for COVID-19, Global Cases Surge:
    - Coronavirus Pandemic Update 37: The ACE-2 Receptor - The Doorway to COVID-19 (ACE Inhibitors & ARBs):
    - Coronavirus Pandemic Update 36: Flatten The COVID-19 Curve, Social Distancing, Hospital Capacities:
    - Coronavirus Pandemic Update 35: New Outbreaks & Travel Restrictions, Possible COVID-19 Treatments:
    - Coronavirus Epidemic Update 34: US Cases Surge, Chloroquine & Zinc Treatment Combo, Italy Lockdown:
    - Coronavirus Epidemic Update 33: COVID-19 Medication Treatment Trials, Global Testing Remains Limited:
    - Coronavirus Epidemic Update 32: Important Data from South Korea, Can Zinc Help Prevent COVID-19?
    - Coronavirus Epidemic Update 31: Mortality Rate, Cleaning Products, A More/Less Severe Virus Strain?
    - Coronavirus Epidemic Update 30: More Global COVID-19 Outbreaks, Vitamin D May Aid Prevention:
    - Coronavirus Epidemic Update 29: Testing problems, mutations, COVID-19 in Washington & Iran:
    - Coronavirus Epidemic Update 28: Practical Prevention Strategies, Patient Age vs. Case Fatality Rate:

    - How Coronavirus Kills: Acute Respiratory Distress Syndrome (ARDS) & Treatment:

    Many other videos on COVID-19 and other medical topics (ECG Interpretation, hypertension, DKA, acute kidney injury, influenza, measles, mechanical ventilation, etc.) at MedCam.com

    Speaker: Roger Seheult, MD
    Board Certified in Internal Medicine, Pulmonary Disease, Critical Care, and Sleep Medicine.

    Produced by Kyle Allred, PA

    Media Contact: Hayley@MedCram.com

    MedCram medical videos are for medical education and exam preparation, and NOT intended to replace recommendations from your doctor.
    #Coronavirus #COVID19 #SARSCoV2

  • Coronavirus

    2:02

    Coronavirus (COVID-19) symptoms based on the guidelines set out by health authorities in China, US, UK, and Australia. Get a global view on the Coronavirus pandemic and the symptoms that were identified in various countries.

    #COVID19Symptoms #CoronavirusSymptoms #Coronavirus

    Visit and find simple and practical information from reliable international sources regarding the current outbreak of coronavirus disease (COVID-19).

    Coronavirus Youtube playlist:

    Powered by:

    Video Sources:
    - WHO:
    - CCDC:
    - CDC:
    - DOH-Australia:
    - NHS:

  • COVID-19 Update 11: How exactly the coronavirus becomes airborne.

    7:16

    Different diseases have different modes of transmission. And at the same time, one disease can have multiple modes of transmission. Influenza that’s transmitted by aerosols is generally thought to be associated with a more severe illness than influenza that’s transmitted via contact or fomites.

    In this video we continue on from update #10 and examine in greater detail the impact of particle size, the concentration of viral RNA in coarse and fine aerosols, and how they differ in the transmission of COVID-19.

    Surprisingly, larger particles (from a cough or sneeze) contain less virus than small particles, and are less likely to penetrate into lungs. Individuals who are sick produce fine, virus laden particles during speaking and breathing that have a high viral load and can travel far down into the lungs of a susceptible individual.

    #medmastery #coronavirus #COVID19 #sarscov2 #coronaviruschina #coronavirustruth #coronavirusdeaths #WHO #wuhan #infection #pandemic #publichealth

    -----------------------------------------------------------
    Links for reference:


    -----------------------------------------------------------
    More updates by Dr. Wiesbauer:
    COVID-19 Update 1: How to tell if a pandemic is likely to occur or not–R0 and the serial interval:
    COVID-19 Update 2: How to stop an epidemic - Herd immunity:
    COVID-19 Update 3: Symptoms of COVID-19:
    COVID-19 Update 4: Clinical characteristics of COVID-19:
    COVID-19 Update 5: Estimating case fatality rates for COVID-19:
    COVID-19 Update 6: Seasonality: will COVID-19 go away in the summer?:
    COVID-19 Update 7: This is probably the most important picture of the whole Coronavirus-epidemic:
    COVID-19 Update 8: Zinc and chloroquine for the treatment of COVID-19?:
    COVID-19 Update 9: Hydroxychloroquine and azithromycin for the treatment of COVID-19–Review of study by Didier Raoult:
    COVID-19 Update 10: Is COVID-19 an airborne disease? Will we all need to wear face-masks against SARS-CoV-2?
    -----------------------------------------------------------
    Useful resources:
    For checking daily developments of cases, deaths and more:



    Other useful resources:
    Journal Watch:

    New England Journal of Medicine:

    Github collaboration:

    CDC:

    WHO:

    Nucleuswealth:

    -------
    Speaker: Franz Wiesbauer, MD MPH
    Internist & Founder at Medmastery
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    Please Note: Medmastery's videos, medical lectures, medical illustrations, and medical animations are for medical education and exam preparation purposes, and not intended to replace recommendations by your doctor or health care provider.

  • Coronavirus : conférence de presse Update du 03/08/2020

    35:41

    Les orateurs:
    Yves Stevens (NL) - Nationaal Crisiscentrum
    Antoine Iseux (FR) - Centre de crise National
    Steven Van Gucht (NL) Sciensano
    Frédérique Jacobs (FR)- Porte-parole interfédérale
    Gino Claes - SPF Santé Publique
    Updates précédents:

  • Coronavirus COVID-19 | Viral Structure & Pathogenesis

    13:00

    Welcome to this video on the COVID-19 disease caused by the SARS-CoV-2 coronavirus. In this tutorial we will discuss:

    - Structure of the SARS-CoV-2 virus and its structural glycoproteins
    - ACE-2 receptor interaction and mechanisms of host cell entry
    - Pathogenesis and mechanism of ARDS
    - Typical chest radiograph and CT appearances

    We hope you have found this video informative - see references below for further reading.

    Peter & Jack

    References used in the making of this video:

    1. Huang C, Wang Y, Li X, Ren L, Zhao J, Hu Y, et al. Clinical features of patients infected with 2019 novel coronavirus in Wuhan, China. The Lancet. 2020 Feb 15;395(10223):497–506.
    2. Schoeman D, Fielding BC. Coronavirus envelope protein: current knowledge. Virol J. 2019 May 27;16(1):69.
    3. Weiss SR, Navas-Martin S. Coronavirus Pathogenesis and the Emerging Pathogen Severe Acute Respiratory Syndrome Coronavirus. Microbiol Mol Biol Rev. 2005 Dec;69(4):635–64.
    4. Lin L, Lu L, Cao W, Li T. Hypothesis for potential pathogenesis of SARS-CoV-2 infection–a review of immune changes in patients with viral pneumonia. Emerg Microbes Infect. 2020 Jan 1;9(1):727–32.
    5. Frieman M, Baric R. Mechanisms of Severe Acute Respiratory Syndrome Pathogenesis and Innate Immunomodulation. Microbiol Mol Biol Rev. 2008 Dec 1;72(4):672–85.
    6. Li X, Geng M, Peng Y, Meng L, Lu S. Molecular immune pathogenesis and diagnosis of COVID-19. J Pharm Anal [Internet]. 2020 Mar 5 [cited 2020 Apr 2]; Available from:
    7. Rabi FA, Al Zoubi MS, Kasasbeh GA, Salameh DM, Al-Nasser AD. SARS-CoV-2 and Coronavirus Disease 2019: What We Know So Far. Pathogens. 2020 Mar;9(3):231.
    8. Walls AC, Park Y-J, Tortorici MA, Wall A, McGuire AT, Veesler D. Structure, Function, and Antigenicity of the SARS-CoV-2 Spike Glycoprotein. Cell [Internet]. 2020 Mar 9 [cited 2020 Apr 1]; Available from:
    9. Rothan HA, Byrareddy SN. The epidemiology and pathogenesis of coronavirus disease (COVID-19) outbreak. J Autoimmun. 2020 Feb 26;102433.
    10. Guo Y-R, Cao Q-D, Hong Z-S, Tan Y-Y, Chen S-D, Jin H-J, et al. The origin, transmission and clinical therapies on coronavirus disease 2019 (COVID-19) outbreak – an update on the status. Mil Med Res. 2020 Mar 13;7(1):11.
    11. Jin Y, Yang H, Ji W, Wu W, Chen S, Zhang W, et al. Virology, Epidemiology, Pathogenesis, and Control of COVID-19. Viruses. 2020 Apr;12(4):372.

    --------------------
    Subscribe to the channel for more videos and updates:



    3D anatomy tutorial on using the BioDigital Human (

  • COVID-19 - How Long Does the Coronavirus Live on Surfaces?

    4:45

    COVID-19 - How Long Does the Coronavirus Live on Surfaces?

    Coronavirus | COVID-19 YouTube Video Playlist:

    #coronavirus #covid19 #covid_19

    In the study that I mention in this video, they determined that the virus (SARS-CoV-2) can stay in aerosol (in the air) for up to 3 hours. It also lives up to 4 hours on copper, up to 24 hours on cardboard, and 2 to 3 days on plastic and stainless steel.

    And this is part of the reason why this virus is spreading like crazy.

    Then you throw in the fact that some people who are infected don’t have any symptoms at all, or if they do have symptoms, it sometimes takes up to two weeks before they start showing those symptoms. In other words, the incubation period is up to 14 days. On average though, it's about 5-6 days. But because of this incubation period, that means that the virus silently spreads during this time, and that is another reason is why it's so hard to slow the spread of the virus.

    Also, your body has these things called ACE2 receptors. They are located within the tiny little air sacs (alveoli) within your lungs. The virus has this spike protein, which acts like a key, and the ACE2 receptor is like the lock on the front door of your house. And the virus just walks right in.

    So when you combine all these different factors, it makes sense why this virus spreads so quickly.

    And this is why the number of cases is going to continue to rise. As of right now, there are over 5,000 cases in the US. But each person can do something about that. Its not just about staying home as much as you can.
    Its also about washing your hands diligently, and doing it correctly.
    Let's be real, most of us don’t wash our hands enough. And most of us don’t wash our hands correctly.
    I’ve seen you guys in the men’s bathroom, before this outbreak started, after guys using the bathroom, maybe 20% of you wash your hands. Come on now.

    Well at least, since this outbreak, that percentage has gone up. But washing your hands often, and doing it the right way, is really important.
    And, when it comes to hand sanitizer, think of that as a back up to soap and water. Like when you need to wash your hands, but don’t have access's to soap and water.

    And definitely do not touch your eyes, nose, or mouth, unless your hands are clean, because that’s how you are going to bring that virus into your body.

    And if you have access to disinfectant wipes, wipe down commonly used areas.

    And avoid sick people. Avoid large crowds. Skip the handshakes for now. We understand. No big deal.

    Dr. Mike Hansen, MD
    Internal Medicine | Pulmonary Disease | Critical Care Medicine
    Website:

    Please subscribe to my channel and press the bell icon:


    #coronavirus #covid19 #covid_19

  • COVID-19 May Update- causes, symptoms, diagnosis, treatment, pathology

    22:10

    Watch the Osmosis Video here:

    What is COVID-19 (Coronavirus Disease 19)? The coronaviruses that circulate among humans are typically benign, and they cause about a quarter of all common cold illnesses. But occasionally, coronaviruses, like COVID-19, circulate in an animal reservoir and mutate just enough to where they’re able to start infecting and causing disease in humans.

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    Medical disclaimer: Knowledge Diffusion Inc (DBA Osmosis) does not provide medical advice. Osmosis and the content available on Osmosis's properties (Osmosis.org, YouTube, and other channels) do not provide a diagnosis or other recommendation for treatment and are not a substitute for the professional judgment of a healthcare professional in diagnosis and treatment of any person or animal. The determination of the need for medical services and the types of healthcare to be provided to a patient are decisions that should be made only by a physician or other licensed health care provider. Always seek the advice of a physician or other qualified healthcare provider with any questions you have regarding a medical condition.

  • Global COVID-19 Prevention

    2:31

    This short animated video from Stanford Medicine's Maya Adam illustrates how the novel coronavirus — the virus that causes the respiratory disease COVID-19 — is transmitted among people and how transmission can be prevented.

    Get the latest news on COVID-19 testing, treatment, and tracking data:

  • Coronavirus Pandemic Update 35: New Outbreaks & Travel Restrictions, Possible COVID-19 Treatments

    10:27

    Coronavirus (COVID-19) Update 35 with pulmonologist & critical care specialist Roger Seheult, MD of

    The World Health Organization has labeled COVID-19 a pandemic. There are multiple developments globally and in the United States where President Trump has banned incoming travel from most of Europe. Dr. Seheult discusses compelling data about hydroxychloroquine (Plaquenil), Zinc, and possible COVID-19 supplements such as quercetin.

    PLEASE NOTE: This video was recorded on March 12, 2020. Our more recent COVID-19 updates can be accessed free at our website or here on YouTube:

    We've produced each COVID-19 video with the best information we could access at the time of recording. Naturally, some videos will contain information that has become outdated or replaced by better information or research.

    That said, we believe each video contains concepts that have enduring value and reviewing how the response to COVID-19 has progressed over time may be of interest to you as well.

    LINKS from this video:






















    Previous videos from this series:
    - Coronavirus Epidemic Update 34: US Cases Surge, Chloroquine & Zinc Treatment Combo, Italy Lockdown:
    - Coronavirus Epidemic Update 33: COVID-19 Medication Treatment Trials, Global Testing Remains Limited:
    - Coronavirus Epidemic Update 32: Important Data from South Korea, Can Zinc Help Prevent COVID-19?
    - Coronavirus Epidemic Update 31: Mortality Rate, Cleaning Products, A More/Less Severe Virus Strain?
    - Coronavirus Epidemic Update 30: More Global COVID-19 Outbreaks, Vitamin D May Aid Prevention:
    - Coronavirus Epidemic Update 29: Testing problems, mutations, COVID-19 in Washington & Iran:
    - Coronavirus Epidemic Update 28: Practical Prevention Strategies, Patient Age vs. Case Fatality Rate:
    - Coronavirus Epidemic Update 27: Testing accuracy for COVID-19 (CT Scan vs. RT-PCR), California Cases and Coronavirus Los Angeles:
    - Coronavirus Epidemic Update 26: Treatment Updates, Stock Markets, Germany & San Francisco, Pandemic?
    - Coronavirus Epidemic Update 25: Vaccine Developments, Italy's Response, and Mortality Rate Trends:
    - Coronavirus Epidemic Update 24: Coronavirus Infections in Italy, Transmissibility, COVID-19 Symptoms:
    - Coronavirus Epidemic Update 23: Infections in Kids & Pregnancy, South Korea, Spillover From Bats:
    - Coronavirus Epidemic Update 22: Spread Without Symptoms, Cruise Quarantine, Asymptomatic Testing:
    - Coronavirus Epidemic Update 21: Antibodies, Case Fatality, Clinical Recommendations, 2nd Infections?:
    - Coronavirus Epidemic Update 20: Misinformation Spread, Infection Severity, Cruise Ship, Origins:
    - Coronavirus Epidemic Update 19: Treatment and Medication Clinical Trials:
    - Coronavirus Epidemic Update 18: Cellphone Tracking, Increase in Hospitalizations, More Sleep Tips:
    - Coronavirus Epidemic Update 17: Spike in Confirmed Cases, Fighting Infections with Sleep (COVID-19):

    - How Coronavirus Kills: Acute Respiratory Distress Syndrome (ARDS) & Treatment:

    Speaker: Roger Seheult, MD
    Produced by Kyle Allred, PA

    MedCram medical videos are for medical education and exam preparation, and NOT intended to replace recommendations from your doctor.
    #Coronavirus #COVID19 #SARSCoV2

  • Coronavirus : Why are bat viruses so deadly?

    50

    Coronavirus outbreak raises question: Why are bat viruses so deadly? It’s no coincidence that some of the worst viral disease outbreaks in recent years — SARS, MERS, Ebola, Marburg and likely the newly arrived COVID-19 — originated in bats.



    A new University of California, Berkeley, study, supported in part by the U.S. National Science Foundation, finds that bats’ fierce immune response to viruses could drive viruses to replicate faster, so that when they jump to mammals with average immune systems, such as humans, the viruses wreak deadly havoc.

    Some bats — including those known to be the original source of human infections — have been shown to host immune systems that are perpetually primed to mount defenses against viruses. Viral infection in these bats leads to a swift response that walls the virus out of cells. While this may protect the bats from getting infected with high viral loads, it encourages these viruses to reproduce more quickly within a host before a defense can be mounted.

    This makes bats a unique reservoir of rapidly reproducing and highly transmissible viruses. While the bats can tolerate viruses like these, when these bat viruses then move into animals that lack a fast-response immune system, the viruses quickly overwhelm their new hosts, leading to high fatality rates.

    “The bottom line is that bats are potentially special when it comes to hosting viruses,” said Mike Boots, a disease ecologist and UC Berkeley professor of integrative biology. “It is not random that a lot of these viruses are coming from bats. Bats are not even that closely related to us, so we would not expect them to host many human viruses. But this work demonstrates how bat immune systems could drive the virulence that overcomes this.”

    The new study by Brook, Boots and their colleagues was published this month in the journal eLife.


    Brook was curious how bats’ rapid immune response affects the evolution of the viruses they host, so she conducted experiments on cultured cells from two bats and, as a control, one monkey. One bat, the Egyptian fruit bat, a natural host of Marburg virus, requires a direct viral attack before transcribing its interferon-alpha gene to flood the body with interferon. This technique is slightly slower than that of the Australian black flying fox, a reservoir of Hendra virus, which is primed to fight virus infections with interferon-alpha RNA that is transcribed and ready to turn into protein. The African green monkey (Vero) cell line does not produce interferon at all. When challenged by viruses mimicking Ebola and Marburg, the different responses of these cell lines were striking. While the green monkey cell line was rapidly overwhelmed and killed by the viruses, a subset of the rousette bat cells successfully walled themselves off from viral infection, thanks to interferon early warning.

    In the Australian black flying fox cells, the immune response was even more successful, with the viral infection slowed substantially over that in the rousette cell line. In addition, these bat interferon responses seemed to allow the infections to last longer.

    “Think of viruses on a cell monolayer like a fire burning through a forest. Some of the communities — cells — have emergency blankets, and the fire washes through without harming them, but at the end of the day you still have smoldering coals in the system — there are still some viral cells,” Brook said. The surviving communities of cells can reproduce, providing new targets for the the virus and setting up a smoldering infection that persists across the bat’s lifespan.

    Brook and Boots created a simple model of the bats’ immune systems to recreate their experiments in a computer.

    The researchers noted that many of the bat viruses jump to humans through an animal intermediary. SARS got to humans through the Asian palm civet; MERS via camels; Ebola via gorillas and chimpanzees; Nipah via pigs; Hendra via horses and Marburg through African green monkeys. Nonetheless, these viruses still remain extremely virulent and deadly upon making the final jump into humans.

    Brook and Boots are designing a more formal model of disease evolution within bats in order to better understand virus spillover into other animals and humans.

    Other co-authors of the eLife paper are Kartik Chandran and Melinda Ng of Albert Einstein College of Medicine in New York City; Andrew Dobson, Andrea Graham, Bryan Grenfell and Anieke van Leeuwen of Princeton University in New Jersey; Christian Drosten and Marcel Müller of Humboldt University in Berlin, Germany; and Lin-Fa Wang of Duke University-National University of Singapore Medical School.

    The work was funded by a National Science Foundation fellowship, the Miller Institute for Basic Research at UC Berkeley and a grant from the National Institutes of Health (R01 AI134824).

  • WHO response to Coronavirus disease

    52

    WHO is providing advice, supplies and leadership to combat the spread of COVID-19

    Coronavirus disease (COVID-19) is an infectious disease caused by a newly discovered coronavirus.

    Most people infected with the COVID-19 virus will experience mild to moderate respiratory illness and recover without requiring special treatment. Older people, and those with underlying medical problems like cardiovascular disease, diabetes, chronic respiratory disease, and cancer are more likely to develop serious illness.

    The best way to prevent and slow down transmission is be well informed about the COVID-19 virus, the disease it causes and how it spreads. Protect yourself and others from infection by washing your hands or using an alcohol based rub frequently and not touching your face.

    The COVID-19 virus spreads primarily through droplets of saliva or discharge from the nose when an infected person coughs or sneezes, so it’s important that you also practice respiratory etiquette (for example, by coughing into a flexed elbow).

    Learn more:

  • Coronavirus Pandemic Update 49: New Data on COVID-19 vs Other Viral Infections

    7:46

    Coronavirus (COVID-19) Update 49 with Roger Seheult, MD of

    Dr. Seheult discusses new data on outcomes for COVID-19 patients who are in need of mechanical ventilation or critical care - compared to the data for patients with other viral cases of pneumonia (non-COVID-19).

    PLEASE NOTE: This video was recorded on April 3, 2020. Our more recent COVID-19 updates can be accessed free at our website or here on YouTube:

    We've produced each COVID-19 video with the best information we could access at the time of recording. Naturally, some videos will contain information that has become outdated or replaced by better information or research.

    That said, we believe each video contains concepts that have enduring value and reviewing how the response to COVID-19 has progressed over time may be of interest to you as well.


    Links referenced in this video:

    Johns Hopkins -

    Worldometer -

    NPR -

    ICNARC -

    Some previous videos from this series (visit MedCram.com for the full series):
    - Coronavirus Pandemic Update 48: Curve Flattening in California, PPE in the ICU, Medication Trials:
    - Coronavirus Pandemic Update 47: Searching for Immunity Boosters & Possible Lessons From Spanish Flu:
    -Coronavirus Pandemic Update 46: Can Hot/Cold Therapy Boost Immunity? More on Hydroxychloroquine
    - Coronavirus Pandemic Update 45: Sharing Ventilators, More on Sleep, Immunity, & COVID-19 Prevention
    - Coronavirus Pandemic Update 44: Loss of Smell & Conjunctivitis in COVID-19, Is Fever Helpful?
    - Coronavirus Pandemic Update 43: Shortages, Immunity, & Can a TB Vaccine (BCG) Help Prevent COVID-19?
    - Coronavirus Pandemic Update 42: Immunity to COVID-19 and is Reinfection Possible?
    - Coronavirus Pandemic Update 41: Shelter In Place, FDA Investigates Hydroxychloroquine for COVID-19:
    - Coronavirus Pandemic Update 40: Ibuprofen and COVID-19 (are NSAIDs safe?), trials of HIV medications:
    - Coronavirus Pandemic Update 39: Rapid COVID-19 Spread with Mild or No Symptoms, More on Treatment:
    - Coronavirus Pandemic Update 38: How Hospitals & Clinics Can Prepare for COVID-19, Global Cases Surge:
    - Coronavirus Pandemic Update 37: The ACE-2 Receptor - The Doorway to COVID-19 (ACE Inhibitors & ARBs):
    - Coronavirus Pandemic Update 36: Flatten The COVID-19 Curve, Social Distancing, Hospital Capacities:
    - Coronavirus Pandemic Update 35: New Outbreaks & Travel Restrictions, Possible COVID-19 Treatments:
    - Coronavirus Epidemic Update 34: US Cases Surge, Chloroquine & Zinc Treatment Combo, Italy Lockdown:
    - Coronavirus Epidemic Update 33: COVID 19 Medication Treatment Trials, Global Testing Remains Limited:
    - Coronavirus Epidemic Update 32: Important Data from South Korea, Can Zinc Help Prevent COVID-19?
    - Coronavirus Update 31: Mortality Rate, Cleaning Products, A More/Less Severe Virus Strain?
    - Coronavirus Epidemic Update 30: More Global COVID-19 Outbreaks, Vitamin D May Aid Prevention:
    - Coronavirus Epidemic Update 29: Testing problems, mutations, COVID-19 in Washington & Iran:

    - How Coronavirus Kills: Acute Respiratory Distress Syndrome (ARDS) & Treatment:

    Many other videos on COVID-19 (coronavirus outbreak, coronavirus symptoms, Spanish Flu pandemic, influenza, coronavirus epidemic) and other medical topics (ECG Interpretation, hypertension, DKA, acute kidney injury, influenza, measles, mechanical ventilation, etc.) at MedCam.com

    Speaker: Roger Seheult, MD
    Board Certified in Internal Medicine, Pulmonary Disease, Critical Care, and Sleep Medicine.

    Produced by Kyle Allred, PA

    Media Contact: Hayley@MedCram.com
    Media contact info:

    MedCram medical videos are for medical education and exam preparation, and NOT intended to replace recommendations from your doctor.
    #Coronavirus #COVID19 #SARSCoV2

  • COVID-19 | Coronavirus: Epidemiology, Pathophysiology | APRIL UPDATE

    47:28

    Ninja Nerds,
    Join us for our lecture on COVID-19 where Ninja Nerd Science will go into detail on the virology, epidemiology, and pathophysiology/pathology of COVID-19. This is our April update on our previous lecture to keep all of our viewers informed on the new research and publications that have been released on COVID-19. Please be aware— This lecture is up to date as of April 17, 2020.

    Coronaviruses are a large family of viruses which may cause illness in animals or humans.  In humans, several coronaviruses are known to cause respiratory infections ranging from the common cold to more severe diseases such as Middle East Respiratory Syndrome (MERS) and Severe Acute Respiratory Syndrome (SARS). The most recently discovered coronavirus causes coronavirus disease COVID-19.

    COVID-19 is the infectious disease caused by the most recently discovered coronavirus. This new virus and disease were unknown before the outbreak began in Wuhan, China, in December 2019.

    The most common symptoms of COVID-19 are fever, tiredness, and dry cough. Some patients may have aches and pains, nasal congestion, runny nose, sore throat or diarrhea. These symptoms are usually mild and begin gradually. Some people become infected but don’t develop any symptoms and don't feel unwell. Most people (about 80%) recover from the disease without needing special treatment. Around 1 out of every 6 people who gets COVID-19 becomes seriously ill and develops difficulty breathing. Older people, and those with underlying medical problems like high blood pressure, heart problems or diabetes, are more likely to develop serious illness. People with fever, cough and difficulty breathing should seek medical attention.

    World Health Organization (WHO) | 8 April 2020

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  • Coronavirus : persconferentie Update van 05/08/2020

    51:46

    Yves Stevens (NL) - Nationaal Crisiscentrum
    Antoine Iseux (FR) - Centre de crise

    National
    - Frédérique Jacobs Interfederaal woordvoerder
    - Steven Van Gucht (NL) Sciensano -
    Vorige updates:

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