Home NYT 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.

Unknown 17:11 NYT

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

The C.D.C. updates its definition of ‘close contact’ in relation to infection risk. Reviewed by Unknown on 17:11 Rating: 5

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