Nirmatrelvir
Paxlovid is a co-packaged combination of nirmatrelvir, a second generation protease inhibitor, and ritonavir, a pharmacological enhancer, that is used to treated infection with the severe acute respiratory syndrome coronavirus-2 (SARS-CoV-2) , the cause of the novel and severe coronavirus disease, 2019 (COVID-19). Paxlovid is given orally for 5 days in patients early in the course of infection and has not been linked to serum aminotransferase elevations or to clinically apparent liver injury.