Is it true that wearing face masks is useless ?

Is it true that wearing face masks is useless ?

Is it true that wearing face masks is useless in preventing the contraction of the COVID-19 virus because the virus is smaller than the filter in the mask? The answer is NO The virus is small but it does not travel by itself, it travels in droplets that are too large to fit through most masks. That is why you never touch the outside of your mask after putting it on, The viruses are deposited on the outside of the mask.

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