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



By BY GINA KOLATA from NYT World


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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. Reviewed by Moltivie on October 22, 2020 Rating: 5

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