All About Breaking News: The C.D.C. updates its definition of ‘close contact’ in relation to infection risk.

All About Breaking News: The C.D.C. updates its definition of ‘close contact’ in relation to infection risk.

Thursday 22 October 2020

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

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

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