Atazanavir udviser i fravær af humant serum anti- HIV- 1- aktivitet (EC50 af 2 til 5 nM) mod en række laboratorie - og kliniske HIV- isolater.
Antiviral activity in vitro: atazanavir exhibits anti-HIV-1 activity (EC50 of 2 to 5 nM) in the absence of human serum against a variety of laboratory and clinical HIV isolates.