More contact: Noro virus is quite virulent - 18 particles is all it takes. Usually direct contact - unless someone coughs in your face... The virus is spread by direct contact and from contaminated foods. See cdc site for more info: http://www.Cdc.Gov/features/norovirus/.
Answered 1/5/2019
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A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
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