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.
Samples
| Cohort | Characteristics | Purpose | Samples/Patients |
|---|---|---|---|
| 1 | SARS-CoV-2 RT PCR positive patients | Sensitivity analysis | 71/37 |
| 2 | Other non-COVID-19 infections (pre-COVID-19) | Specificity analysis | 90/90 |
| 3 | Pre-COVID-19 controls | Specificity analysis | 48/48 |
