A population-based seroepidemiologic study of human granulocytic ehrlichiosis and Lyme borreliosis on the west coast of Sweden

被引:98
作者
Dumler, JS
Dotevall, L
Gustafson, R
Granstrom, M
机构
[1] GOTHENBURG UNIV, DEPT INFECT DIS, OSTRA HOSP, GOTHENBURG, SWEDEN
[2] HUDDINGE HOSP, KAROLINSKA INST, DEPT INFECT DIS, S-14186 HUDDINGE, SWEDEN
[3] KAROLINSKA INST, KAROLINSKA HOSP, DEPT CLIN MICROBIOL, S-10401 STOCKHOLM, SWEDEN
关键词
D O I
10.1093/infdis/175.3.720
中图分类号
R392 [医学免疫学]; Q939.91 [免疫学];
学科分类号
100102 ;
摘要
Ehrlichioses are emerging infections in the United States. Human granulocytic ehrlichiosis (HGE) and Lyme borreliosis (LB) are acquired after Ixodes ricinus-complex tick bites. An ongoing seroepidemiologic study of the 185 of the 356 permanent residents of the Koster Islands in Sweden was expanded to include ehrlichioses. Ehrlichial antibodies were measured by IFA using Ehrlichia equi and Ehrlichia chaffeensis. Borrelia burgdorferi IgG ELISA-seropositive subjects were confirmed by Western blot, E. equi and E. chaffeensis antibodies (titer greater than or equal to 80) were found in 21 (11.4%) and 2 (1.1%) of 185 samples, respectively. Antibodies to B. burgdorferi were found in 25 (13.5%) of 185. Six persons were seropositive for both HGE and LB. Among data from questionnaires, clinical symptoms, antibiotic treatments, or tick bites were not more frequent in E. equi- or B. burgdorferi-seropositive than -seronegative persons. The seroprevalence of HGE was similar to that of Lyme borreliosis. Prospective studies of European HGE are needed.
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页码:720 / 722
页数:3
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