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.
Association of Brucella seropositivity with some risk factors in humans of Western Tigray, North Western Ethiopia, October 2007 to February 2008.
| Risk factors | Category level | n | Prevalence (%) | P- value |
|---|---|---|---|---|
| Removal of retained fetal membrane | No | 157 | 0 | 0.046 |
| Yes | 89 | 3.4 | ||
| Drinking of raw milk | No | 124 | 0 | 0.120 |
| Yes | 122 | 2.5 | ||
| Animal contacts | No | 11 | 0 | 0.871 |
| Yes | 235 | 1.3 |
