Why Do Nurses Have to Wear 3 Masks?

I saw a video of a nurse (I think he was a nurse but I could be wrong as to what his specific job is in the hospital) showing everything he has to wear at work, like scrubs as well as 3 different type of face masks. Is there a specific reason why 3 masks are needed or is it simply for extra protection?

1 Answer

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  • ?
    Lv 7
    4 months ago

    I don't know.  One for each crack?

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