Covid cases are rising. We know that there is aerosol transmission of the virus and masks prevent infection. Why is the CDC silent on this, pushing hand washing instead?
Rigorous evidence shows that significant contact with a person with SARS-CoV-2 is more likely to lead to transmission than a short encounter. Rigorous evidence shows that significant contact with a person with SARS-CoV-2 is more likely to lead to transmission than a short encounter.
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