Some people who take Paxlovid could see symptoms reappear two to eight days after finishing the treatment and testing negative, the CDC said.
posted online in late April sequenced virus samples from a 71-year-old man who saw his illness rebound after finishing Paxlovid. The study, which is under review by a medical journal, found no indication that the man had developed resistance to the drug; instead, the authors suggested that symptoms may recur “before natural immunity is sufficient to fully clear” the virus.
Dr. Bob Wachter, chair of the University of California, San Francisco's Department of Medicine, chronicled the case of his wife, Katie Hafner.he wrote on Tuesday
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