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.
Results of user seal checks in three masks
| Mask | Number of staff | Fit-test pass rate (%) | User seal check correct (%) | User seal check incorrectly failed mask (% failures) | User seal check incorrectly passed mask (% passes) |
|---|---|---|---|---|---|
| 1860s | 84 | 69 | 75 | 40 | 19 |
| 9210 | 93 | 55 | 71 | 24 | 31 |
| 8233 | 91 | 70 | 73 | 45 | 18 |
