Publications

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Prospective study on the incidence of infection by Borrelia burgdorferi sensu lato after a tick bite in a highly endemic area of Switzerland.The periurban forest of Neuchâtel (Switzerland) is a high-risk area for Lyme Borreliosis, due to a high density of infected Ixodes ricinus ticks. In this study, we evaluated the risk of subclinical (seroconversion) and clinical infection after a tick bite in Neuchâtel inhabitants from 2003 to 2005. Inhabitants have been invited, through media, to visit a physician after a tick bite. A questionnaire was filled out and two blood samples were taken at 8-week interval. EIA screening tests for IgM an ...201121890065
tick bites in a lyme borreliosis highly endemic area in switzerland.the duration of tick feeding is an important indicator to evaluate the risk of borrelia burgdorferi sensu lato transmission, which increases considerably with the blood meal duration. this blood meal duration may be estimated from scutal index, the ratio between body length (idiosoma) and scutum width. for the estimation of blood meal duration in ixodes ricinus, nymphal and adult female ticks were detached at predetermined intervals (24, 48, 72, and 96h) from laboratory mice and rabbits and thei ...200918722157
phenology of ixodes ricinus and infection with borrelia burgdorferi sensu lato along a north- and south-facing altitudinal gradient on chaumont mountain, switzerland.questing ixodes ricinus l. ticks were collected monthly from 2003 to 2005 on the north- and south-facing slopes of chaumont mountain in neuchâtel, switzerland, at altitudes varying from 620 to 1,070 m. on the south-facing slope, questing tick density was higher than on the north-facing slope, and it decreased with altitude. density tended to increase with altitude on the north-facing slope. saturation deficit values higher than 10 mmhg and lasting for >2 mo were often recorded on the south-facin ...200717695026
ixodes ricinus density, and distribution and prevalence of borrelia burgdorferi sensu lato infection along an altitudinal gradient.in this study, we measured the phenology of ixodes ricinus ticks and their infection with borrelia burgdorferi sensu lato (sl) simultaneously along an altitudinal gradient to assess the impact of climate on the phenology of ticks and on their infection with b. burgdorferi sl. from 1999 to 2001, free-living i. ricinus ticks were collected monthly by flagging vegetation at three different altitudes (620, 740, and 900 m above sea level) on the slope of a mountain in chaumont (neuchâtel, switzerland ...200415061274
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