Paxlovid is an antiviral drug developed by Pfizer to treat COVID-19 and is the choice of doctors to give patients who are infected. The only problem is that many patients have experienced a rebound of coronavirus symptoms shortly after having finished taking the drug.

PHOTO CREDIT: Illustration of a SARS-CoV-2 virion By Alissa Eckert, MS; Dan Higgins, MAM – This message is number 23312 in the Public Health Image Library (PHIL) of the CDC., Public Domain, https://commons.wikimedia.org/w/index.php?curid=86444014