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COVID-19 | Coronavirus: Epidemiology, Pathophysiology, Diagnostics

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COVID-19 | Coronavirus: Epidemiology, Pathophysiology, Diagnostics

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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 | Coronavirus: Epidemiology, Pathophysiology | APRIL UPDATE

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

REFERENCES | We have a complete list of our references in AMA format on our Facebook & Instagram!

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COVID-19 | Coronavirus: How is Coronavirus Diagnosed | APRIL UPDATE

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Ninja Nerds,

Join us for our lecture on COVID-19 where Ninja Nerd Science will go into detail on the diagnostics used to diagnose 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
Adventitious Lung sounds: Referenced from easyauscultation.com

REFERENCES | We have a thorough list of our references in AMA format found on our Facebook & Instagram social media sites

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COVID-19 | Pathophysiology

How does the coronavirus (SARS-CoV-2) that causes the disease COVID-19 attack the body?
In this video, Dr Mike explains how the virus gets into the cells of the body and produces cough, pneumonia, cytokine storm, and acute respiratory distress syndrome (ARDS).

Instagram: @drmiketodorovic
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COVID-19 (SARS Coronavirus 2) - timeline, pathophysiology (ARDS), coronavirus life cycle, treatment

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.

COVID-19 Symposium: Epidemiology of SARS-CoV-2 Infection | Dr. Michael Levy

Dr. Michael Levy discusses the epidemiology of the SARS-CoV-2 Infection as part of Penn's first Coronavirus Outbreak Symposium.

#Coronavirus #COVID-19 #PennMedicine

COVID-19 Pathogenesis and Risk Factors | Lecturio

In this course, you will be provided with an overview of the severe acute respiratory syndrome coronavirus 2 (SARS-CoV 2). These lectures will cover the general characteristics of coronaviruses and the origin of the coronavirus disease 2019 (COVID-19).

This video specifically covers:
– Epidemiology
– Risk factors
– Pathogenesis

FREE RESOURCES FOR STUDENTS AND EDUCATORS:
► The COVID-19 Concept Card, which covers the etiology, transmission, epidemiology, clinical presentation, diagnostics, management, and prevention of COVID-19 in one easy-to-digest place:
► The full COVID-19 Video Course, which covers the overview and management of the virus:
► The Studying at Home Guide, which includes some of our best tips for staying focused, being productive, and organizing your study space:
► The Teaching and Learning Continuity Package, with information for institutions to ensure the continuity of teaching through the COVID-19 pandemic:

ABOUT THE PROF:
► Dr. Sean Elliott earned his MD from Columbia University College of Physicians and Surgeons in 1993, followed by a Pediatric Residency at Children’s Memorial Hospital, Northwestern University School of Medicine, and a fellowship in Pediatric Infectious Diseases at St. Louis Children’s Hospital, Washington University School of Medicine. Recruited in 1999 at the University of Arizona College of Medicine, he is now the Professor of Pediatrics and the Associate Chair for the Department of Pediatrics, serving as the Pediatrics Residency Program Director from 2011 to the end of 2017 and as the interim Associate Dean of Curriculum from 2017 through 2019.

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COVID-19 (Coronavirus Disease 19) August Update- causes, symptoms, diagnosis, treatment, pathology

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.

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:
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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.

COVID-19 | Coronavirus: Treatment, Prognosis, Precautions

HELP US GET OUR OWN FILMING STUDIO --
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).
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 treatment, prognosis, and precautions for COVID-19 (current as of 3/15/2020).
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.

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

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


Support us by purchasing apparel and donating to our PayPal or Patreon! ????

--Become a Patron of ours and receive the final, high resolution photo of the lecture!

FUNDING

GoFundMe |

APPAREL |
Amazon Prime Free Delivery |
Teespring |

PATREON |


SOCIAL MEDIA

FACEBOOK |

INSTAGRAM |


ALSO, check out our Medical channel | Ninja Nerd Medicine!

Severe Acute Respiratory Syndrome (SARS) and COVID-19 – Coronaviruses | Lecturio

This video “Coronaviruses (2019-nCoV Wuhan update)” is part of the Lecturio course “Microbiology” ► WATCH the complete course on

► LEARN ABOUT:
– Characteristics of Coronaviradae
– Diseases caused by Coronaviradae, including SARS and the 2019 nCoV outbreak

FREE RESOURCES FOR STUDENTS AND EDUCATORS:
► The COVID-19 Concept Card, which covers the etiology, transmission, epidemiology, clinical presentation, diagnostics, management, and prevention of COVID-19 in one easy-to-digest place:
► The full COVID-19 Video Course, which covers the overview and management of the virus:
► The Studying at Home Guide, which includes some of our best tips for staying focused, being productive, and organizing your study space:
► The Teaching and Learning Continuity Package, with information for institutions to ensure the continuity of teaching through the COVID-19 pandemic:

► THE PROF: Dr. Sean Elliott earned his MD from Columbia University College of Physicians and Surgeons in 1993, followed by a Pediatric Residency at Children’s Memorial Hospital, Northwestern University School of Medicine, and a fellowship in Pediatric Infectious Diseases at St. Louis Children’s Hospital, Washington University School of Medicine. Recruited in 1999 at the University of Arizona College of Medicine, he is now the Professor of Pediatrics and the Associate Chair for the Department of Pediatrics, serving as the Pediatrics Residency Program Director from 2011 to the end of 2017 and as the interim Associate Dean of Curriculum from 2017 through 2019.

► LECTURIO is your single-point resource for medical school:
Study for your classes, USMLE Step 1, USMLE Step 2, MCAT or MBBS with video lectures by world-class professors, recall & USMLE-style questions and textbook articles. Create your free account now:

► INSTALL our free Lecturio app
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UCSF Experts on the Epidemiology, Science, & Clinical Manifestations of COVID-19, and UCSF Response

In this UCSF Medical Grand Rounds presentation (March 19, 2020), nine UCSF experts describe the epidemiology, virology, clinical manifestations, pathophysiology, and treatments for COVID-19. The session is hosted by UCSF Department of Medicine chair Bob Wachter.

Program

Bob Wachter: Introduction
0:03:00 - Diane Havlir: Epidemiology [imperfect audio, gets better]
0:15:00 - Jen Babik: Clinical Presentation
0:26:00 - Michael Matthay: The Lung Disease of COVID-19 (ARDS), Clinical Aspects and Pathophysiology
0:36:00 - Annie Luetkemeyer: Treatments, Now and On the Horizon
0:55:00 - Q&A
1:02:00 - Panel Discussion on the UCSF Response, with 5 more UCSF experts: Matt Aldrich (Critical Care), Sarah Doernberg (ID and Infection Prevention), Chaz Langelier (Virology and Testing), Brad Monash (Hospital Medicine), and Debbie Yokoe (ID and Epidemiology)
1:39:00 - Bob Wachter: Closing

Coronavirus pathophysiology | Pneumonia caused by coronavirus

Pathophysiology of coronavirus

Most common way for the coronavirus to enter our body is through respiratory tract i.e via mouth or nose. If we are exposed to more dose of the coronvirus virus or in case our immune system is not strong , the coronavirus manages to reach to the alveoli. Further outcome depends on how effectively our immune system fights against corona virus.

Role of macrophages
Once the virus is in alveoli, macrophages ingest the virus. Macrophages present the antigen to Helper T cells. Also they release certain chemical known as IL-1 and TNF alpha.

The chemicals IL-1 and TNF alpha, increase the permeability of blood vessels causing fluid to leak out of the vessels. Also, along with that neutrophils, T cells start migrating to outside the blood vessel to help the macrophages leading to development of pneumonia.

In the meantime, some virion particles enter into cells and start multiplying. .
Whenever the cells are infected with virion, the immune system starts various mechanisms:
1. Helper T cells and infected cells produce interferons. These interferons act on the infected cell itself as well as on nearby cells via JAK-STAT pathway. In infected cells, they inhibit viral replication. On nearby cells, they make them resistant to infection by virus.

2. Helper T cells activate cytotoxic T cells which can kill the virus infected cells.

But coronavirus has a mechanism to evade this immune attack.

1. Coronavirus multiply within Double Membrane Vesicles (DMVs) so the cells are not able to identify that they are infected with the virus and thus are unable to produce interferons.
2. The interferons released by T cells also cannot act because the virus blocks the activation of this interferon system by blocking the JAK-STAT pathway.

So the virus keeps on multiplying and hence increasing the virus load tremendously.

As virus multiplies, it releases more and more viruses , infecting more and more cells, confusing more and more macrophages which end up activating immune system in an uncontrolled manner and hence releasing these and many other chemicals which keep on exaggerating the pneumonia.

Because of this diffusion of oxygen is affected causing hypoxemia.

So that’s how people infected with coronavirus succumb to the infection.


#coronavirus
#covid-19
#physiologyopen

Coronavirus Infectious Disease 2019 (COVID-19) – March Update | Lecturio

In this video, you will be provided with an overview of the severe acute respiratory syndrome coronavirus 2 (SARS-CoV 2). This lecture will cover the general characteristics of coronaviruses and the origin of the coronavirus disease 2019 (COVID-19).

FREE RESOURCES FOR STUDENTS AND EDUCATORS:
► The COVID-19 Concept Card, which covers the etiology, transmission, epidemiology, clinical presentation, diagnostics, management, and prevention of COVID-19 in one easy-to-digest place:
► The COVID-19 Video Course, which covers the overview and management of the virus:
► The Studying at Home Guide, which includes some of our best tips for staying focused, being productive, and organizing your study space:
► The Teaching and Learning Continuity Package, with information for institutions to ensure the continuity of teaching through the COVID-19 pandemic:

ABOUT THE PROF:
► Dr. Sean Elliott earned his MD from Columbia University College of Physicians and Surgeons in 1993, followed by a Pediatric Residency at Children’s Memorial Hospital, Northwestern University School of Medicine, and a fellowship in Pediatric Infectious Diseases at St. Louis Children’s Hospital, Washington University School of Medicine. Recruited in 1999 at the University of Arizona College of Medicine, he is now the Professor of Pediatrics and the Associate Chair for the Department of Pediatrics, serving as the Pediatrics Residency Program Director from 2011 to the end of 2017 and as the interim Associate Dean of Curriculum from 2017 through 2019.

LET’S CONNECT:
► Facebook:
► Instagram:

2019 Novel Coronavirus - SARS CoV 2

In this video we'll be discussing about the 2019 Novel Coronovirus (SARS-CoV-2).

Introduction to Coronaviruses (SARS, MERS, COVID-19): Hosts, Symptoms, History of SARS and MERS

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

****EXCLAIMER: The content (ex. images) used in this lesson are used in accordance with Fair Use laws and are intended for educational/teaching purposes only.****

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
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COVID-19 (Coronavirus Disease 19) May Update- causes, symptoms, diagnosis, treatment, pathology

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.

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.

COVID 19 Part 1: Basic Pathophysiology

Part one in a series as of 17 March 2020.

Covid-19 Disease -Pathophysiology and Clinical features

Coronavirus disease 2019 (COVID-19) is an infectious disease caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2).The disease was first identified in 2019 in Wuhan, the capital of China's Hubeiprovince, and has since spread globally, resulting in the 2019–2020 coronavirus pandemic. Common symptoms include fever, cough, and shortness of breath. Other symptoms may include muscle pain, sputumproduction, diarrhea, sore throat, abdominal pain, and loss of smell or taste.While the majority of cases result in mild symptoms, some progress to pneumonia and multi-organ failure. As of March 25, 2020, the overall rate of deaths per number of diagnosed casesis 4.5 percent; ranging from 0.2 percent to 15 percent according to age group and other health problems.

CoVid- 19: pathophysiology, diagnosis and information about treatment | coronavirus | COVID-19

CoVid- 19: pathophysiology, diagnosis and information about treatment | coronavirus | COVID-19 in hindi

#coronavirus
#corona
#covid19
#indiacorona
#coronapatients
#whoupdates
#who
#coronavaccine
#hydroxychloroquine

corona virus | covid -19 | cause , structure , pathophysiology , symptoms , treatment , prevention

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) is a new strain that was discovered in 2019 and has not been previously identified in humans.

in this lecture we cover about :

why it is called as COVID - 19
Why it is called as SARS - COV 2
structure of conora virus
pathophysiology of corona virus
origin of corona virus
symptoms of covid 19
diagnosis of covid 19
treatment of covid 19
prevention of covid 19

#freemedlectures #coronavirus #covid19
#gocoronago #medicos #sarscov2 #merscov
#corona #virus #coronachina #latestupdateoncorona

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