餐饮配送引起的一起学生集体食物中毒案例分析

Analysis on A Case of Collective Food Poisoning Occurred in A PrimarySchool Caused by the Food Catering

目的分析一起由餐饮配送引起的较大级别学生集体食物中毒事件,为餐饮配送和学校集体用餐管理提供依据。方法通过流行病学调查、现场卫生学调查,结合病人临床症状以及实验室检测结果对事件原因进行分析判断。结果依据《葡萄球菌食物中毒诊断标准及处理原则》(WS/T80-1996),确认该事件为金黄色葡萄球菌食物中毒。配送食物受到金黄色葡萄球菌污染,在常温下存放时间过长,葡萄球菌繁殖并产生肠毒素是导致这起食物中毒事件的直接原因。结论餐饮配送已成为学校学生集体用餐的重要渠道之一,加强监督管理,提高餐饮配送单位自身管理水平和卫生意识对于预防学校集体食物中毒的发生具有重要意义。

Objective To investigate the cause of a collective food poisoning case occurred in a primary school caused by the food catered from a food company. Method Base on the epidemiological survey data, field hygiene survey data, clinical symptoms of the patients and testing results, the causation of the food poisoning was analyzed. Result According to the standard ＆ disposal principle of Staphylococcus food poisoning （WS/T80-1996）, the incident was caused by the food which was contaminated by Staphylococcus aureus,preserved and carried to the primary school under normal temperature for hours. The staphylococcal enterotoxin excreted by Staphylococcus aureus in food was the direct causation of the collective food poisoning. Conclusion It is significant to enhance the supervision in food catering area for food safety while more and more such kind dietetic services come into schools.