U.S. reverses COVID-19 testing guidance again: exposed without symptoms need tests

The Centers for Disease Control and Prevention (CDC) sparked widespread outcry among state public health officials and experts in late August when it said that people who do not have symptoms may not need to get tested. Before Aug. 24, the CDC had encouraged testing for all those who were exposed. Friday's guidance update effectively returns the CDC's testing guidance to what it said before it was altered in late August.

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