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Detection of Lyme Disease Bacterium, Borrelia burgdorferi sensu lato, in Blacklegged Ticks Collected in the Grand River Valley, Ontario, Canada.


ABSTRACT: We document the presence of blacklegged ticks, Ixodes scapularis, in the Grand River valley, Centre Wellington, Ontario. Overall, 15 (36%) of 42 I. scapularis adults collected from 41 mammalian hosts (dogs, cats, humans) were positive for the Lyme disease bacterium, Borrelia burgdorferi sensu lato (s.l.). Using real-time PCR testing and DNA sequencing of the flagellin (fla) gene, we determined that Borrelia amplicons extracted from I. scapularis adults belonged to B. burgdorferi sensu stricto (s.s.), which is pathogenic to humans and certain domestic animals. Based on the distribution of I. scapularis adults within the river basin, it appears likely that migratory birds provide an annual influx of I. scapularis immatures during northward spring migration. Health-care providers need to be aware that local residents can present with Lyme disease symptoms anytime during the year.

SUBMITTER: Scott JD 

PROVIDER: S-EPMC5332844 | biostudies-literature | 2017

REPOSITORIES: biostudies-literature

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Detection of Lyme Disease Bacterium, <i>Borrelia burgdorferi</i> sensu lato, in Blacklegged Ticks Collected in the Grand River Valley, Ontario, Canada.

Scott John D JD   Foley Janet E JE   Anderson John F JF   Clark Kerry L KL   Durden Lance A LA  

International journal of medical sciences 20170208 2


We document the presence of blacklegged ticks, <i>Ixodes scapularis</i>, in the Grand River valley, Centre Wellington, Ontario. Overall, 15 (36%) of 42 <i>I. scapularis</i> adults collected from 41 mammalian hosts (dogs, cats, humans) were positive for the Lyme disease bacterium, <i>Borrelia burgdorferi</i> sensu lato (s.l.). Using real-time PCR testing and DNA sequencing of the flagellin (<i>fla</i>) gene, we determined that <i>Borrelia</i> amplicons extracted from <i>I. scapularis</i> adults b  ...[more]

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