Volume 17, Number 3—March 2011
Reduction of Coxiella burnetii Prevalence by Vaccination of Goats and Sheep, the Netherlands
|Group||OR (95% CI)||p value|
|Old, vaccinated||0.04 (0.003–0.38)||<0.05|
*A random herd effect was included. OR, odds ratio; CI, confidence interval; old, pregnant and lactating; NA, not applicable.