Prevalence of Borrelia burgdorferi sensu lato infection in Ixodes ricinus in Sweden.

摘要: Between 1988-1991, a total of 3,141 Ixodes ricinus ticks, 2,740 adults and 401 nymphs, was collected from different localities in 23 the 25 provinces Sweden. The ticks were identified, dissected examined for presence Borrelia spirochetes. Indirect immunofluorescence performed, using an antiserum obtained rabbits, immunized with sonicated, whole burgdorferi spirochetes isolated Swedish ticks. Borrelia-positive I. found all provinces. prevalence infection ranged 3% Jamtland to 23% Sodermanland. In 0% 9 15% A significantly greater proportion adult be positive southern central parts Sweden as compared northern part (Norrland). No significant difference could demonstrated between western eastern On average, 10% nymphs Borrelia. Of 41 non-I. none This study shows that sensu lato is present throughout distributional area should lead increased awareness signs symptoms compatible Lyme borreliosis persons living or visiting areas where present.