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Established population of blacklegged ticks with high infection prevalence for the lyme disease bacterium, Borrelia burgdorferi sensu lato, on Corkscrew Island, Kenora district, Ontario

We document an established population of blacklegged ticks, Ixodes scapularis, on Corkscrew Island, Kenora District, Ontario, Canada. Primers of the outer surface protein A (OspA) gene, the flagellin (fla) gene, and the flagellin B (flaB) gene were used in the PCR assays to detect Borrelia burgdorferi sensu lato (s.l.), the Lyme disease bacterium. In all, 60 (73%) of 82 adult I. scapularis, were infected with B. burgdorferi s.l. As well, 6 (43%) of 14 unfed I. scapularis nymphs were positive for B. burgdorferi s.l. An I. scapularis larva was also collected from a deer mouse, and several unfed larvae were gathered by flagging leaf litter. | Established population of blacklegged ticks with high infection prevalence for the lyme disease bacterium, Borrelia burgdorferi sensu lato, on Corkscrew Island, Kenora district, Ontario