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.
Maternal HIV-1 neutralizing antibody titer at delivery. Maternal neutralizing antibody titer to autologous virus from the time of delivery (A) and maternal neutralizing antibody to the mother's infant's first-positive-time-point HIV-1 isolate (B) are shown. □, Mothers treated with ZDV.
