occurrence of francisella spp. in dermacentor reticulatus and ixodes ricinus ticks collected in eastern poland.a total of 530 questing dermacentor reticulatus ticks and 861 questing ixodes ricinus ticks were collected from lublin province (eastern poland) and examined for the presence of francisella by pcr for 16s rrna (rrs) and tul4 genes. only one female d. reticulatus tick out of 530 examined (0.2%) was infected with francisella tularensis subspecies holarctica, as determined by pcr of the rrs gene. none of 861 i. ricinus ticks were infected with f. tularensis. in contrast, the presence of francisella ...201525666656
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