Fig. 1. Schematic of hepatitis D virus 1 particles. L-DAg, S-DAg: large and small delta antigen; L-HBsAg, M-HBsAg, S-HBsAg: large, middle and small HBV surface antigen; HBV: hepatitis B virus.
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.