WorldNews24/7: The C.D.C. updates its definition of ‘close contact’ in relation to infection risk.

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Wednesday, October 21, 2020

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

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

Prateek Jaiswal at 5:14 PM

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