Where Do Deadly Coronaviruses Like MERS CoV Come From?

In the last 17 years, there have been three new deadly coronavirus epidemics, but where
do emerging diseases like MERS-CoV emerge from?

Subscribe to for free and receive a copy of the preface for Dr. Greger’s new book, How to Survive a Pandemic:

This is the first in a 17-video series on pandemics and COVID-19. You may have seen these in my recent free webinar, but if you didn’t, they’ll be rolling out on the site over the next several weeks, AND you can get a free download of the entire series right now at

Here is the whole series (links will be live when the pages go live each week):
1. Where Do Deadly Coronaviruses Like MERS-CoV Come From? (
2. The SARS Coronavirus and Wet Markets (
3. Where Did the COVID-19 Coronavirus Come From? (
4. The Last Coronavirus Pandemic May Have Been Caused by Livestock (
5. R0 and Incubation Periods: How Other Coronavirus Outbreaks Were Stopped (
6. Social Distancing, Lockdowns & Testing: How to Slow the COVID-19 Pandemic (
7. COVID-19 Symptoms vs. the Flu, a Cold or Allergies (
8. Modifiable Risk Factors and Comorbidities for Severe COVID-19 Infection (
9. The Immune System and COVID-19 Treatment (
10. Would Zinc Lozenges Help with COVID-19? (
11. How to Avoid COVID-19 (
12. Hand Washing & Sanitizing to Inactivate COVID-19 Coronavirus (
13. What to Do if You Come Down with COVID-19 (
14. The Best Mask or DIY Face Covering for COVID-19 (
15. How COVID-19 Ends: Vaccination, Mutations, and Herd Immunity (
16. The COVID-19 Pandemic May Just Be a Dress Rehearsal (
17. How to Prevent the Next Pandemic (

You can also find this information and even more in my new book, How to Survive a Pandemic ( (all proceeds are donated to charity). With my How Not to Diet ( book tour suspended, the COVID-19 crisis allowed me an opportunity to draw on my past expertise in infectious disease to fast-track this new book.

If you haven’t seen it yet, we’ve put up a resource page all about COVID-19 with videos, links to my pandemic blog post and special Q&A sessions, my DIY hand sanitizer recipe, and more. Check it out here (

Have a question about this video? Leave it in the comment section at and someone on the team will try to answer it.

Want to get a list of links to all the scientific sources used in this video? Click on Sources Cited at You’ll also find a transcript and acknowledgements for the video.

Thanks for watching. I hope you’ll join in the evidence-based nutrition revolution!
-Michael Greger, MD FACLM

Image credit: Islam Elzayat /
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