L. Gern

Publications204
h-index53
Citations8,849
Highly Influential Citations562
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Lyme borreliosis in Europe and North America.
Since the discovery of the Lyme disease spirochete in North America in 1982 and in Europe in 1983, a plethora of studies on this unique group of spirochetes that comprise Borrelia burgdorferi sensu… Expand
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Ecology of Borrelia burgdorferi sensu lato in Europe: transmission dynamics in multi-host systems, influence of molecular processes and effects of climate change.
The analysis of different multi-host systems suggests that even hosts that are not capable of transmitting Borrelia burgdorferi sensu lato (s.l.) to the tick vector, Ixodes ricinus, or that are… Expand
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European reservoir hosts of Borrelia burgdorferi sensu lato.
Existing knowledge on reservoir hosts of Borrelia burgdorferi sensu lato was collated and reviewed and several species, particularly birds, were identified as reservoir competent. At the present… Expand
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Co-feeding ticks: Epidemiological significance for tick-borne pathogen transmission.
Until recently, the transmission of tick-borne pathogens via vertebrates was thought to depend on the development of a systemic infection in the vertebrate hosts. Pathogen transmission has now been… Expand
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Presence of potentially pathogenic Babesia sp. for human in Ixodes ricinus in Switzerland.
We have designed and performed a new PCR method based on the 18S rRNA in order to individuate the presence and the identity of Babesia parasites. Out of 1159 Ixodes ricinus (Acari: Ixodidae) ticks… Expand
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PCR Detection of Granulocytic Ehrlichiae in Ixodes ricinus Ticks and Wild Small Mammals in Western Switzerland
ABSTRACT The presence of granulocytic ehrlichiae was demonstrated by PCR inIxodes ricinus ticks and wild small mammals in Switzerland in two areas of endemicity for bovine ehrlichiosis. Six ticks… Expand
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Influence of saturation deficit and temperature on Ixodes ricinus tick questing activity in a Lyme borreliosis-endemic area (Switzerland)
Abstract Questing Ixodes ricinus ticks were sampled monthly in a periurban mixed forest at Neuchâtel, Switzerland, in 1996, 1997, and 1998. A total of 5530 I. ricinus nymphs and 1385 adults were… Expand
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Ixodes ricinus Density, and Distribution and Prevalence of Borrelia burgdorferi Sensu Lato Infection Along an Altitudinal Gradient
Abstract 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… Expand
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Transmission of Borrelia afzelii from Apodemus mice and Clethrionomys voles to Ixodes ricinus ticks: differential transmission pattern and overwintering maintenance.
This study deals with the ecology of Lyme borreliosis in Europe. The relationships between Borrelia burgdorferi sensu lato spirochetes, Clethrionomys and Apodemus rodent reservoirs and the Ixodes… Expand
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Phenology of Ixodes ricinus and Infection with Borrelia burgdorferi sensu lato Along a North- and South-Facing Altitudinal Gradient on Chaumont Mountain, Switzerland
Abstract 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… Expand
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