Prevalence and epidemiological significance ofTrypanosoma cruzi infection among latin american immigrants in Berlin, Germany |
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| Authors: | Dr. med. M. Frank Dr. med. Bärbel Hegenscheid Prof. Dr. vet. med. K. Janitschke PD Dr. med. T. Weinke |
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| Affiliation: | (1) Dept. of Tropical Public Health, Harvard School of Public Health, 665 Huntington Ave., 02115-6018 Boston, MA, USA;(2) Tropeninstitut Berlin, Germany;(3) Robert-Koch-Institut, Klinische Parasitologie, Nordufer 20, D-13353 Berlin;(4) Universitätsklinikum Benjamin Franklin, Medizinische Klinik und Poliklinik, Freie Universität Berlin, Hindenburgdamm 30, D-12200 Berlin, Germany |
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| Abstract: | ![]()
Summary A survey was conducted among Latin American immigrants living in Berlin to investigate the presence ofTrypanosoma cruzi infection and to evaluate possible risk factors. One hundred persons were interviewed about risk factors (rural origin, contact with the reduviid bug) and evaluated serologically. The sera were tested with indirect immunofluorescence (IIF). All samples seroreactive with IIF were additionally evaluated with an ELISA forT. cruzi antibodies. To rule out cross-reactivity all seroreactive sera were tested with IIF forLeishmania infantum antibodies. Two persons were seroreactive in IIF and ELISA and three were seroreactive in the IIF only. The overall seroprevalence according to WHO criteria was therefore 2% (2/100). All samples were negative forLeishmania antibodies. Only one of the seropositive persons showed a risk factor forT. cruzi infection in their medical history. These findings suggest that routine serologic testing of Latin Americans is indicated to reduce the risk of transmission by blood transfusion and congenital transmission. |
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