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.
(A) Frequency of TFH on memory CD4+ T cells in lymph nodes of naïve, acutely and chronic SIV-infected macaques. (B) Correlation between the percentage of TFR and TFH on memory CD4+ T cells in acute and (C) chronic infection.
