The C.D.C. updates its definition of ‘close contact’ in relation to infection risk. - get lates news

Wednesday, October 21, 2020

Home World The C.D.C. updates its definition of ‘close contact’ in relation to infection risk.

The C.D.C. updates its definition of ‘close contact’ in relation to infection risk.

admin October 21, 2020 World,

By BY GINA KOLATA from NYT World https://ift.tt/3jkCx9e

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