clinical features of lyme borreliosis in the middle urals and distribution of borrelia burgdorferi sensu lato species in local ixodes persulcatus ticks.from 1991 to 1993, we investigated the clinical features of lyme borreliosis (lb) in 864 patients from the sverdlovsk region (population 4.5 million) in the middle urals. ixodes persulcatus ticks were collected in the vicinity of yekaterinburg to determine the presence of borrelia burgdorferi sensu lato species. from 1991 to 1993, the number of patients with lb increased from 91 to 320 and 453, respectively. nearly all lb patients (97%) recalled a tick bite and the first signs of lb developed be ...19989728411
[the epidemiological aspects of lyme borreliosis in sverdlovsk province].lyme borreliosis in the sverdlovsk region was epidemiologically analysed on the basis of the patients' referral to the center of lyme borreliosis. from 1991 to 1993 a total of 873 cases of specified lyme borreliosis were recorded. the main epidemiological characteristics of lyme borreliosis coincided with those of tick-borne viral encephalitis. the endemic areas virtually covered all the districts of the region with the foci concentrated around large cities in the south and south-west of the reg ...19957770026
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