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.
| Protocol | Positivity rate, % (95% binomial CI) | No. of testsa |
|---|---|---|
| Uncertainty sampling | 10.8 (6.8-16.0) | 195 |
| Index area selection | 2.6 (0.7-6.6) | 153 |
| Local knowledge | 6.4 (4.1-9.4) | 361 |
Includes those resulting in either positive or negative results (as opposed to inconclusive or invalid results).
