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COVID-19 Is Transmitted Through Aerosols. We Have Enough Evidence, Now It Is Time to Act

AUGUST 25, 2020

By Jose-Luis Jiminez, Professor of Chemistry and a Fellow of the Cooperative Institute for Research in Environmental Sciences at the University of Colorado-Boulder.


Contrary to public health messaging, I, together with many other scientists, believe that a substantial share of COVID-19 cases are the result of transmission through aerosols. The evidence in favor of aerosols is stronger than that for any other pathway, and officials need to be more aggressive in expressing this reality if we want to get the pandemic under control. 


 “Aerosol” (sometimes referred to as “airborne”) transmission is similar to droplet transmission, except that the bits of fluid are so small that they can linger in the air for minutes to hours. To understand the scale of aerosols, the diameter of a human hair is about 80 microns, and aerosols smaller than about 50 microns can float in the air long enough to be inhaled. SARS-CoV-2 is only 0.1 microns in diameter, so there is room for plenty of viruses in aerosols. 


For complete text of article:  https://time.com/5883081/covid-19-transmitted-aerosols/?utm_source=email&utm_medium=email&utm_campaign=email-share-article&utm-term=ideas_covid-19



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Coronavirus Can Spread Through Talking

According to Dr. Harvey Fineberg, chair of of the Standing Committee on Emerging Infections Diseases with the National Academy of Sciences....


Research Shows that aerosolized droplets produced by talking or possibly by just breathing can also spread the virus.  


It is possible that aerosolized coronavirus droplets can hang in the air and potentially infect someone who walks by.


 https://www.cnn.com/2020/04/02/health/aerosol-coronavirus-spread-white-house-letter/index.html 


 https://www.npr.org/2020/04/06/827954898/is-covid-19-spread-by-talking-that-and-other-questions-are-answered 



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Virus Found Floating in the Air

APRIL 27, 2020


At two hospitals in Wuhan, China, researchers found bits of the virus's genetic material floating in the air of hospital toilets, an indoor space housing large crowds, and rooms where medical staff take off protective gear.  

          - Liu, Y., Ning, Z., Chen, Y. et al. Aerodynamic analysis of SARS-CoV-2 in two Wuhan hospitals. Nature (2020).  


https://www.nature.com/articles/s41586-020-2271-3

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