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Salmonellosis in Austria: situation and trends

Salmonellosen in Österreich: Situation und Trends

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Zusammenfassung

Salmonellen zählen in vielen Teilen der Welt zu den häufigsten bakteriellen Durchfallerregern. Die meisten Infektionen werden von gesunden Tieren über kontaminierte Lebensmittel auf den Menschen übertragen. In Österreich sind wir nach wie vor mit einer 1989 begonnenen Salmonellen-Epidemie konfrontiert, deren Ursache ein sprunghafter Anstieg von Salmonella enterica spp. enterica serovar Enteriditis, einem vorwiegend bei Eiern und Geflügel vorkommenden Serovar, darstellt. Durch Salmonella-Impfungen von Lege- und Masthühnern sowie durch verstärkte Ausbruchserhebungen konnte die Zahl der humanen Salmonellosen in der Zeit von 2002 bis 2007 mehr als halbiert werden. Die Resistenzsituation bei Salmonellen war in den letzten Jahren stabil. Resistenzen gegen Ciprofloxacin und Resistenzen gegen Cephalosporine der dritten Gene ration (Cefotaxim) traten nach wie vor nur sehr vereinzelt auf.

Summary

Non-typhoidal Salmonella spp. are a major cause of human gastroenteritis in many parts of the world. Most of these infections are zoonotic and are transmitted from healthy carrier animals to humans through contaminated food. In Austria we are facing an ongoing salmonellosis epidemic that started in 1989. The main cause of the epidemic is a massive increase of infections due to S. enterica subsp. enterica serovar Enteritidis (S. Enteritidis), a serotype prevalent in poultry, particularly in eggs. The introduction of vaccination of laying hens and broilers, together with intensified outbreak investigation efforts, has led to a remarkable decrease of human salmonella isolates. Since 2002 the number of isolates received by the National Reference Center for Salmonella (NRCS) has been reduced by more than 50%. Overall rates of antibiotic resistance in salmonella have remained stable over the past years. In Austria, high levels of resistance to ciprofloxacin and third-generation cephalosporins (cefotaxime) are still extremely rare.

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Authors and Affiliations

  1. Institute of Medical Microbiology and Hygiene, Austrian Agency for Health and Food Safety (AGES), National Reference Laboratory/Center for Salmonella, Graz, Austria

    Christian Kornschober, Claudia Mikula & Burkhard Springer

Authors
  1. Christian Kornschober
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  2. Claudia Mikula
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  3. Burkhard Springer
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Correspondence to Christian Kornschober.

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Kornschober, C., Mikula, C. & Springer, B. Salmonellosis in Austria: situation and trends. Wien Klin Wochenschr 121, 96–102 (2009). https://doi.org/10.1007/s00508-008-1128-9

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