Biden tests positive for Covid-19 again — in a case of ‘Paxlovid rebound’

President Biden tested positive for the coronavirus again Saturday, the White House said, an example of Covid-19 “rebound” that can occur after people take the oral antiviral Paxlovid. 

Biden is not experiencing any symptoms but is isolating again, according to his physician, Kevin O’Connor. Biden, who is vaccinated and has received two boosters, is not starting any Covid treatments at this time. 

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