Covid-19 rebound is probably more common than data suggests, but Paxlovid is still effective
As the coronavirus evolves, the number of treatment options that remain effective against new variants has dwindled. Pfizer's antiviral pill Paxlovid is one of the few that remain. However, some people who take Paxlovid -- and some who don't -- experience a rebound case of Covid-19, with a resurgence of symptoms...