A member asked:

Would wearing a face mask prevent norovirus when around infected persons?

A doctor has provided 1 answer
Dr. Hunter Handsfield answered

Specializes in Infectious Disease

Not completely: Norovirus is exceedingly infectious. Just being in the room where someone with norovirus who vomits has some risk. Masks probably help, but not foolproof. Most important is careful hygiene: minimum contact, lots of hand washing, protective gloves if contact with infectious material (e.g. vomit, diaper changing of infected child). Even with all this, you may be infected.

Answered 4/7/2019

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