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April 8, 5020 U
   
     
 

 

 

 

AAA SCIENCE

AMERICAN ASSOCIATION FOR THE

ADVANCEMENT OF SCIENCE

The leading scientific research journal in America

 

March 27, 2020.

 

By Jon Cohen

Staff Writer for Science.

 

 "Not wearing masks to protect against coronavirus is a big mistake."

George Gao, top Chinese scientist, Wuhan, China.

*   *

Q: What mistakes are other countries making?

 A: The big mistake in the U.S. and Europe, in my opinion, is that people aren't wearing masks.

This virus is transmitted by droplets and close contact.

Droplets play a very important role - you've got to wear a mask, because when you speak, there are always droplets coming out of your mouth.

Many people have asymptomatic or presymptomatic infections.

If they are wearing face masks, it can prevent droplets that carry the virus from escaping and infecting others.

*   *

Q: What can other countries learn from the way China has approached COVID-19?

A: Social distancing is the essential strategy for the control of any infectious diseases, especially if they are respiratory infections.

 

First, we used "nonpharmaceutical strategies," because you don't have any specific inhibitors or drugs and you don't have any vaccines.

 

Second, you have to make sure you isolate any cases.

 

Third, close contacts should be in quarantine....

 

Fourth, suspend public gatherings.

 

Fifth, restrict movement, which is why you have a lockdown ....

 

First trained as a veterinarian, Gao later earned a Ph.D. in biochemistry at the University of Oxford and did postdocs there and at Harvard University, specializing in immunology and virology.

 

*   *   *   *

 

"When an infected person sneezes or coughs more than 1/2 million virus particles can spread to those nearby."

Wikipedia

 


 

1/2 MILLION VIRUS

PARTICLES

FROM A SINGLE

SNEEZE!!

 

 

WEAR A MASK!!

 

 

 

 
     

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