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.
Evaluations of HCV core antigen ( ■), and HCV antibody ( ▲) in eleven donations (S1-S11) within preseroconversion window period. HCV core antigen assay and HCV antibody S/CO values are plotted versus the time of sample acquisition. (First samples = d 0).
