Figure 1.
IgG concentration (AU/mL) in subjects positive for SARS-CoV-2 and in vaccinated subjects stratified by sex (LOD < 3.8 and >400 AU/mL).
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.