Covid can be airborne, US CDC guidelines now say
The US has updated its guidance to reflect how the virus can linger in the air, sometimes for hours.
from BBC News - World https://ift.tt/3jEC4Qg
https://ift.tt/3jEC4Qg
from BBC News - World https://ift.tt/3jEC4Qg
https://ift.tt/3jEC4Qg
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