| sympatric ixodes trianguliceps and ixodes ricinus ticks feeding on field voles (microtus agrestis): potential for increased risk of anaplasma phagocytophilum in the united kingdom? | the importance of wild rodents as reservoirs of zoonotic tick-borne pathogens is considered low in the united kingdom because, in studies to date, those parasitized by exophilic ixodes ricinus ticks carry almost exclusively larvae and thus have a minor role in transmission cycles. in a cross-sectional study, 11 (6.7%) of 163 field voles (microtus agrestis) captured at field sites in northern england were pcr-positive for anaplasma phagocytophilum. the voles were found to act as hosts for both la ... | 2006 | 17187576 |