摘要：In June 2003, Australian state and territory health departments were notifi ed of an outbreak of Hepatitis A in people who had attended a fi ve-day youth camp. Approximately 350 people attended the event in Central Australia between 24 and 28 April 2003. The public health investigation com-prised of case identifi cation, food handler interviews, an environmental health investigation of the campground and associated food premises, laboratory analysis of blood specimens and food/water samples, and an epidemiological study. Twenty-one cases fi tted the case defi nition for the outbreak. A retrospective cohort study involving four states was conducted, with 213 people interviewed. Coleslaw and cordial were signifi cantly associated with illness, however when the two exposures were adjusted for each other to account for confounding, only coleslaw remained signifi cantly associated with illness (adjusted RR 2.5, 95% CI 1.09 – 5.77). The investigation highlighted a number of food hygiene and safety issues relating to the catering of mass gatherings. Implementation of food safety programs in these settings are likely to reduce the occurrence of such outbreaks. The recent proposal by Food Standards Australia New Zealand to mandate food safety programs for catering operations is sup-ported. Commun
关键词：Hepatitis A; camp; multi- jurisdictional; catering operations; mass gatherings
