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.
White and black bars represent successful and unsuccessful detection cases, respectively. Closed circles represent the success rate for each log level of viremia from 1 through 7.
