Is your city reopening after coronavirus lockdown? Scientists say avoid these places
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May 19, 2020
Talking spreads coronavirus — and likely plays a part in its contagiousness.
That’s the conclusion of a study published in the latest edition of the peer-reviewed Proceedings of the National Academy of Sciences, the official journal of the National Academy of Sciences. “These observations confirm that there is a substantial probability that normal speaking causes airborne virus transmission in confined environments,” the study concludes.
The study adds to a growing body of research on why it’s important that people maintain social distancing and wear face masks. The response to COVID-19 has become a political issue. President Donald Trump and New York Gov. Andrew Cuomo have locked horns over when to reopen the economy.
“Speech droplets generated by asymptomatic carriers of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) are increasingly considered to be a likely mode of disease transmission,” the study found. “Highly sensitive laser light scattering observations have revealed that loud speech can emit thousands of oral fluid droplets per second.”
In a closed, stagnant-air environment, they disappear from view after 8 minutes to 14 minutes, “which corresponds to droplet nuclei of ca. 4um diameter, or 12um to 21um droplets prior to dehydration,” the researchers wrote. One micrometer, um, is equivalent to one millionth of a meter. The coronavirus is 0.125 um. Medical-grade N95 masks are worn by medics because they can block particles of that size.
May 20, 2020 at 7:25 AM #317198Jan BoehmermanModerator
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…if you are in range of the smoke they are blowing out. You’re in range of the virus.
May 20, 2020 at 5:07 PM #317298retired liberalParticipant
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Even when they are not smoking.
That smoke cloud is a good idea. most people know how far the smoke goes.
We are an arrogant species, believing our fantasy based "facts" are better than the other person's fake facts.
If you are wrong, it will be because you are not cynical enough.
Both major political parties are special interest groups enabling each other for power and money, at the expense of the people they no longer properly serve…
May 20, 2020 at 7:31 AM #317200
May 20, 2020 at 7:58 AM #317213
May 20, 2020 at 7:20 PM #317318SorechasmParticipant
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Nearly every word from the mouths of most politicians.
“Go and tell Alexander that God the Supreme King is never the Author of insolent wrong, but is the Creator of light, of peace, of life, of water, of the body of man and of souls;...what Alexander offers and the gifts he promises are things to me utterly useless;..." Dandamis, a great sannyasi of Taxila.Excerpt From: Yogananda, Paramahansa. “Autobiography of a Yogi.”
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