Sunday, November 01, 2020
The "dose" of the virus you receive might make the difference between being asymptomatic, getting mildly sick or becoming critically ill -- may be helpful when thinking about protection against Covid-19 as the colder temperatures arrive and cases spike.
[Dr. Monica Gandhi, an infectious disease doctor and professor of medicine at the University of California, San Francisco] noted that in places and situations that had adopted universal masking -- such as on an Argentine cruise ship and at several US food-processing plants -- the asymptomatic infection rate, at above 80%, was more than double the CDC's estimated asymptomatic infection rate of approximately 40%. The mask appears to lower the dose by filtering out some of the viral particles.
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