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.
WBE accuracy as an early-warning diagnostic for new cases of COVID-19.
| Clinical |
|||
|---|---|---|---|
| Positive | Negative | ||
| Wastewater | Positive | 79 | 20 |
| Negative | 25 | 195 | |
Sensitivity (76.0%).
Specificity (90.7%).
Positive predictive value (79.8%).
Negative predictive value (88.6%).
