摘要：Health officials in Western Australia followed up an outbreak of food-borne disease in a Perth restaurant. The overallattack rate among patrons at the restaurant on the implicated day was 36 per cent. Epidemiological analysis revealed astrong association between illness and consumption of sushi (RR 11.3; 95% CI 4.4-29.0). In addition, there weresignificant associations found with other seafood dishes from the cold selection and some desserts. No bacterial or viralpathogens were detected in the few faecal samples that were available, and no food samples remained. However, thecharacteristics of the illness, including secondary cases in family members of patrons, were most consistent with a viralorigin. It was found that sushi delivered to the restaurant had not been refrigerated. Also at the time of preparation of thedishes incriminated in the outbreak, a food handler involved was symptomatic with an enteric illness similar to thatdescribed by patrons
