目的查明一起因同源就餐致疑似食物中毒事件的原因,找出致病因子,防止类似事件的发生。方法对该事件进行流行病学调查,对采集到的样品进行检测。结果本次事件中,共有16名发病者,平均潜伏期5 h左右,食品加工用具、1份剩余菜品、2份腹泻物样品中检出副溶血弧菌。结论该次事件可疑为副溶血弧菌感染食物中毒事件。 Objective To identify a cause of suspected food poisoning due to homologous eating, to find out the pathogenic factors, to prevent the occurrence of similar incidents. Methods The epidemiological investigation of the incident, the collected samples were tested. Results In this incident, a total of 16 patients with an average incubation period of about 5 h, food processing equipment, 1 remaining dishes, 2 samples of diarrhea were detected in Vibrio parahaemolyticus. Conclusion The incident was suspicious of Vibrio parahaemolyticus infection of food poisoning.