Aug. 3, 2022 – About 27% of people who get COVID-19 have a rebound of their symptoms, regardless of whether they took the antiviral treatment Paxlovid, according to a new preprint study. Symptoms can return after the person’s condition improves, and the symptoms can be better or worse than the original bout of illness. Symptoms fluctuate, and viral antigen in the nose fluctuates, and they fluctuate with and without Paxlovid,”