Volume 17, Number 3—March 2011
Research
Reduction of Coxiella burnetii Prevalence by Vaccination of Goats and Sheep, the Netherlands
Figure 2

Figure 2. Kaplan-Meier curves for cycle threshold (Ct) values of all samples (A–C) and for samples with positive and doubtful results for Coxiella burnetii (Ct <40) (D–F), the Netherlands, January 1–June 10, 2009. A, D) Uterine fluid; B, E) vaginal mucus; C, F) milk. Old, pregnant and lactating; young, nulliparous.