An official website of the United States government
Here's how you know
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.
Variation within the Env V3 loop. Consensus sequences representing the major variants spanning the envelope V3 loop in patient 114 (A) and patient 115 (B) are shown. Nonsynonymous mutations are in yellow. Synonymous mutations are in green.