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In Europe, 7 Borrelia species belonging to the Borrelia burgdorferi sensu lato complex have been reported in Ixodes ricinus ticks. In addition, another Borrelia, related to the relapsing fever(More)
Questing Ixodes ricinus ticks were sampled monthly along a north-facing altitudinal gradient in the canton of Valais, Switzerland, from March 2004 to February 2005. Tick density and infection with(More)