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CDC updates its "How Covid Spreads"
The CDC has updated their information today on how COVID spreads.  They have dropped "close contact".

The new page is here.  The old page (last updated Oct. 28, 2020) can be found here.

Quote:COVID-19 spreads when an infected person breathes out droplets and very small particles that contain the virus. These droplets and particles can be breathed in by other people or land on their eyes, noses, or mouth. In some circumstances, they may contaminate surfaces they touch. People who are closer than 6 feet from the infected person are most likely to get infected.
Gee, you'd think the CDC treats the word "aerosol" like a forbidden word..  "aerosol" does not appear on the page.  "particles" appears 8 times.  On a "Scientific Brief" page, the CDC does describe these as aerosol particles.


Quote:COVID-19 is thought to spread mainly through close contact from person to person, including between people who are physically near each other (within about 6 feet). People who are infected but do not show symptoms can also spread the virus to others. Cases of reinfection with COVID-19  have been reported but are rare. We are still learning about how the virus spreads and the severity of illness it causes.

Reinfection (as rare) is mentioned lower on the new page.
Infection from asymptomatic people is mentioned lower on the page in "Anyone infected with COVID-19 can spread it, even if they do NOT have symptoms."
"COVID-19 appears to spread more efficiently than influenza but not as efficiently as measles" has been dropped from the page.

On the Scientific Brief page, the CDC mentions "exercising, shouting, singing" but doesn't mention cheering.  They don't mention "restaurant" or "eating" even though two of their references mention restaurants in their titles.

Hey, CDC, being struck twice by lightning is rare.  But if a person is standing out in a field in an electrical storm, the lightning can't know whether he's been struck before.

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