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.
Characteristics of household contacts enrolled in the study
| Characteristics | Result for: |
|
|---|---|---|
| Infected (n = 131) | Uninfected (n = 283) | |
| Female, no. (%) | 71 (54.2) | 150 (53) |
| Median age, yr (25th, 75th percentile) | 24.8 (9.3, 35.0) | 27.4 (14.4, 36.3) |
| Blood group O, no. (%) | 41 (31.3) | 101 (35.7) |
