Please share, like, comment, and subscribe. You may skip to any chapter using the timecode links below. Learn about the novel coronavirus SARS-CoV-2 and the disease Covid-19 as explained by a professional virologist. Your questions answered on the origin of SARS-CoV-2, how it spreads, how people get sick, and why evidence supports that it was not engineered in a lab. For details on the biology please watch:

I received my PhD in molecular and cellular biology. I have been studying viruses for over 20 years. I work in biotech engineering viruses as tools for gene therapy to cure diseases. I am not providing medical advice, but I am simply sharing a virologist’s perspective on the emerging science of SARS-CoV-2.

Who am I? 00:25
What is a virus? 00:58
What is coronavirus? 01:33
Is coronavirus a kind of flu? 03:11
Where did SARS-CoV-2 come from? 03:54
How is it transmitted? 06:00
How fast does it spread? 06:56
How long can it survive? 07:39
How do I protect myself? 08:59
What about masks and gloves? 09:59
What are the symptoms of Covid-19? 10:52
How does SARS-CoV-2 cause severe cases? 12:50
What are the stages of severe disease? 13:34
What is the death rate for SARS-CoV-2? 13:56
What is the deadliest virus? 15:51
Is the ACE2 receptor different among humans? 16:22
How is SARS-CoV-2 testing done? 17:07
What are the treatments for SARS-CoV-2? 19:27
Treatments that do not work 23:04
What is herd immunity? 23:44
Will SARS-CoV-2 become seasonal? 25:09
Was SARS-CoV-2 engineered in a lab? 26:11
Is SARS-CoV-2 mutating? 28:11
Are certain blood types more likely to catch SARS-CoV-2? 29:17
Is SARS-CoV-2 deadlier than the flu? 30:41
What about 2021? 31:28
Final Thoughts 31:48

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