US researchers and health authorities are investigating why some people seem to recover from taking Covid-19 Pfizer Inc.’s antivirals. developed symptoms again soon after.
Paxlovid was supposed to treat newly infected people, not sending them to the hospital. However, within two weeks of showing signs of remission, some users experienced cold-like symptoms such as sore throat and cough, according to doctors and published case reports.
https://www.wsj.com/articles/some-covid-19-patients-relapse-after-taking-paxlovid-puzzling-doctors-11652186194?mod=pls_whats_news_us_business_f Some Covid-19 Patients Relapse After Taking Paxlovid, Puzzling Doctors