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.
Avidity of antibodies to gp120 and protection from SIVmac251 acquisition. Avidity index of antibody to the entire SIVmac239 gp120 in vaccinated animals that were protected or SIV infected measured at week 27, 3 weeks after the last vaccination (A) or at three (B) or six (C) weeks after SIV infection. (D) Avidity of antibody to the gp120 protein deleted in the V1 and V2 regions, in protected and infected animals.
