Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Mean and standard deviation (A) plasma and (B) genital viral loads at each study day for women taking atazanavir (ATV) or efavirenz (EFV) plus tenofovir and emtricitabine. The dashed horizontal line in each plot indicates the limit of detection.
