Fig. 1. HBV as a helper virus for HDV.
Hepatitis B virus (HBV) shares its small, medium, and large hepatitis B surface antigens (HBsAg) with hepatitis D virus (HDV).
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.