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.
Decreased programmed death 1 (PD-1) and cytotoxic T lymphocyte antigen 4 (CTLA-4) in the convalescent phase of acute hepatitis A (AHA). (A) %PD-1+ during the symptomatic and convalescent phases of nonviral acute toxic hepatitis (ATH) and AHA. (B) %CTLA-4+ during the symptomatic and convalescent phases of nonviral ATH and AHA.
