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.
Detection rates by 10 commercial immunoassays (6 ELISAs, 3 CLIAs, one rapid test; all with a specificity >80%) in the 354 blood samples from 81 hospitalized IgG-seroconverting patients with acute SARS-CoV-2 infection, grouped by a 2-day interval (one sample per patient per interval step). (A) IgM ELISAs; (B) IgA ELISA; (C) IgG ELISAs/CLIAs; (D) total Ig ELISAs/CLIAs and rapid tests. Borderline results were counted as negative.
