Figure 1.
Number of patients at each stage. “Switch early” is defined as switching to second-line regimen less than 8 weeks after confirmed virologic failure.
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.