| [the occurrence of coxiella burnetii in sheep and ticks of the genus dermacentor in baden-wuerttemberg]. | this study examined the occurrence of coxiella burnetii (c. burnetii), the infectious agent of q-fever, in sheep and sheep-ticks in baden-wuerttemberg, germany, as a possible source of infection in q-fever outbreaks. using pcr, we examined a total of 1066 dermacentor ticks from 23 herds and 49 samples of tick excrement from 18 herds for c. burnetii. we found the infectious agent in one non-engorged tick and in one sample of tick excrement from the same herd, in efringen-kirchen (district loerrac ... | 2004 | 15568636 |