
Pfizer's Paxlovid is displayed on July 7 in Pembroke Pines, Florida. Cases of Covid-19 rebound following treatment with the antiviral medication Paxlovid, appear to be at least twice as common as doctors previously knew.
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Covid-19 rebound may be more common in people who take Paxlovid, early study suggests
Cases of Covid-19 rebound following treatment with the antiviral medication Paxlovid -- where infections rev back up again after people complete their five-day course of the medication -- appear to be at least twice as common as doctors previously knew, a new study suggests. Covid-19 rebound also seems to be more common in people who take Paxlovid compared with those who don't take the antiviral, although it can happen in either circumstance.

