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.
Host immunological responses leading to occult HBV infection. Host-derived responses, including a noncytolytic T-cell response, VDR polymorphism, immunosuppression, and differential regulation of apoptosis, contribute to the etiopathogenesis of occult HBV infection.