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.
Assay specificity calculated for each SARS-CoV-2 antigen from the control cohort.
| Antigen | n | Positive | Negative | Specificity (95 % CI) (%) |
|---|---|---|---|---|
| CoV-2 S | 194 | 5 | 189 | 97.4 % (94.1 to 98.9) |
| CoV-2 RBD | 194 | 15 | 179 | 92.3% (87.6 to 95.3) |
| CoV-2 N | 194 | 14 | 180 | 92.8 % (88.2 to 95.7) |
