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.
| Outcome or subgroup title | No. of studies | No. of participants | Statistical method | Effect size |
|---|---|---|---|---|
| 4.1 Influenza | 1 | 220 | Risk Ratio (M‐H, Random, 95% CI) | 0.49 [0.21, 1.17] |
| 4.1.1 No outbreak ‐ vaccine matching ‐ nursing home ‐ healthy and ill | 1 | 220 | Risk Ratio (M‐H, Random, 95% CI) | 0.49 [0.21, 1.17] |
