Some Covid-19 Patients Relapse After Taking Paxlovid, Puzzling Doctors - The Wall Street Journal

The rebound cases haven’t resulted in severe disease so far, but authorities are trying to determine why they happen, how often and how to handle.

U.S. health authorities and researchers are investigating why some people who appeared to recover from Covid-19 after taking Pfizer Inc.s antiviral pill developed symptoms again soon after. Paxlovi… [+254 chars]

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