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    Seroprevalence study of Francisella tularensis among hunters in Germany (2008)

    Art
    Zeitschriftenartikel / wissenschaftlicher Beitrag
    Autoren
    Jenzora, A.
    Jansen, A.
    Ranisch, H.
    Lierz, M.
    Wichmann, O.
    Grunow, R.
    Quelle
    FEMS immunology and medical microbiology; 53 — S. 183–189
    ISSN: 0928-8244
    Sprache
    Englisch
    Verweise
    Pubmed: 18462387
    Kontakt
    Institut für Geflügelkrankheiten

    Königsweg 63
    14163 Berlin
    Tel.+49 30 838 62676 Fax.+49 30 838 62690
    email:gefluegelkrankheiten@vetmed.fu-berlin

    Abstract / Zusammenfassung

    In 2005 and 2006, Francisella tularensis unexpectedly reemerged in western Germany, when several semi-free-living marmosets (Callithrix jacchus) in a research facility died from tularemia and a group of hare hunters became infected. It is believed that hunters may have an elevated risk to be exposed to zoonotic pathogens, including F. tularensis. A previous cross-sectional study of the German population (n=6883) revealed a prevalence of 0.2%. Here, we investigated 286 sera from individuals mainly hunting in districts with emerging tularemia cases (group 1) and 84 sera from a region currently not conspicuous for tularemia (group 2). Methods included standard enzyme-linked immunosorbent assay (ELISA), Western blot analysis and indirect immunofluorescence assay. We found five out of the 286 hunters (1.7%; 95% CI 0.6-4.0%) in group 1 positive with standard ELISA and Western blot, but none in the Berlin area (group 2; 95% CI 0-0.04%). Group 1 showed an elevated risk for hunters to be seropositive for F. tularensis compared with the cross-sectional study (OR=7.7; P<0.001). This indicates a higher prevalence for tularemia in hunters of a suspected endemic region of Germany.