[ecoepidemiology of lyme borreliosis in the rhône-alps region. distribution, ecological context, relationship to the distribution of ixodes ricinus (linnaeus, 1758)].the aim of the study was to precise the geographical repartition of lyme borreliosis in the rhône-alpes district, to describe the ecological characteristics of the areas propitious to the disease, and to verify the vectorial competence of i. ricinus. the cases of lyme disease were located by means of a questionnaire sent to 1156 physicians. the vector role of i. ricinus was studied by two ways: firstly by searching a correlation between the geographical repartition of the tick and that of cases, ...19949235207
occurrence of dirofilaria immitis and tick-borne infections caused by anaplasma phagocytophilum, borrelia burgdorferi sensu lato and ehrlichia canis in domestic dogs in france: results of a countrywide serologic survey.the occurrence of dirofilaria immitis antigen and antibodies against tick-borne pathogens in french dogs has been analysed based on 1,050 blood samples. serum samples of 919 dogs (group a) were sent for a variety of diagnostic investigations, further 131 dogs (group b) were tested for a tentative diagnosis of heartworm disease. all samples were tested for d. immitis antigen. samples in group a were also tested for specific antibodies against three tick-borne pathogens (anaplasma phagocytophilum, ...200919575231
prevalence of borrelia burgdorferi species and identification of borrelia valaisiana in questing ixodes ricinus in the lyon region of france as determined by polymerase chain reaction-restriction fragment length polymorphism.many cases of lyme borreliosis have been reported over the years in the region of lyon, france. the identification and prevalence of borrelia burgdorferi sensu lato in ixodes ricinus were investigated by polymerase chain reaction (pcr) of the flagellin gene and restriction fragment length polymorphism (rflp) analysis. questing ixodes ricinus larvae, nymphs and adults were collected by the flagging method from deciduous forests in four areas in the lyon region of france between october 1994 and s ...200312649714
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