[Objective] To understand the characteristics of diarrhea incidence in the Expo park in Shanghai.
[Methods] Information of cases with diarrhea was collected through a clinic visit monitoring and reporting system in real time including food and drink. The relationships between temperature and diarrhea were also analyzed.
[Results] Diarrhea occurred mainly from July to August in the youth. 50.53% patients with diarrhea were in the ages of 15 to 39. 11 630 diarrhea cases were individual visitors which counted for 71.87% of total cases. The Incidence of diarrheawas 20.14/10 million. The daily highest temperature correlated to the diarrhea incidences of the visitors and the expo staff. Food hygiene was the cause of diarrhea.
[Conclusion] Similar characteristics diarrhea incidence were identified between the Expo park and Shanghai city. Enhancing management and supervise to food safety in surrounding areas is crucial for diarrhea prevention during large-scale events.