Some people who had taken the antiviral medication experienced a recurrence of Covid symptoms after their infection appeared to have cleared up.
Those who do experience a recurrence of symptoms typically do so within a few days or a week, said Dr. [study published](https://www.medrxiv.org/content/10.1101/2022.06.21.22276724v1) in June found that of 13,644 adult coronavirus patients who took Paxlovid or another treatment, Molnupiravir, about 5 percent tested positive again within 30 days and 6 percent experienced symptoms again. But that rebound effect isnโt limited to people who have taken Paxlovid: a