The virus does not travel on its own. The virus is contained in droplets and/or aerosols which are larger than the virus particles. There is no respiratory virus that will eject itself from the body all by itself. Those teeny tiny virus particles need a mode of transmission. That mode of transmission is droplets and aerosols.[/QUOTE]
What happens to those droplets when the reach either the inside or outside of a paper or cloth mask. The are quickly absorbed and no longer have the integrity of a droplet. This allows the componets within the droplet to separate and then pass through the mask. Masks may briefly delay the passage of a virus but unless it is a N95 rated mask they do not stop it.
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