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.
The sensitivity of attack rate (AR) in response to increasing delays in the distribution of vaccine to health care workers
| Delay in vaccination from the start of epidemic (days) | End of delay trigger threshold serologic AR (%) | Total population serologic AR (%) |
|---|---|---|
| 0 | 0·0 | 40·4 |
| 25 | 1·0 | 40·7 |
| 37 | 10·0 | 41·0 |
| 43 | 20·0 | 41·9 |
| >50 | >50·0 | 43·7 |
