一起金黄色葡萄球菌和蜡样芽胞杆菌感染引起的校园急性肠胃炎暴发事件调查

打开文本图片集

Caused by Infections of Staphylococcus aureus and Bacillus cereus Together Investigation on the Outbreak of Acute Gastroenteritis on Campus

KONG Dejun， ZHU Jianying，HUA Sijia， WU Yangziyuan， XU Jia， ZHENG Qian （Longyou County Center forDisease Control and Prevention （Longyou County Health Supervision Institute），Quzhou 324400， China）

Abstract： Objective： To use multiple detection methods to identify the cause of a suspected bacterial food poisoning induced acute gastroenteritis in schools，providing reference for the prevention and control of foodborne diseases in schools.Method：Search for cases within schools afected by the epidemic，conduct epidemiological investigations，collct anal swabsand vomit samples，and use various pathogen rapid screning，real-time fluorescence polymerase chain reaction，isolation and culture，mass spectrometry identification，virulence gene detection and other technologies todetect pathogens.Result：atotal of74 suspectedcases were identifed，including58possible cases.Laboratory tests were conducted on 40 cases of anal swabs and 3 cases of vomit samples，and9 cases of Staphylococcus aureus were detected，including7cases of enterotoxin viulence gene astAand2cases ofenterotoxin virulence gene astC;7 cases of Bacilus cereus were detected，and the virulence genes were all nheB.Conclusion： This ncident is an outbreak of acute gastroenteritis oncampus caused bythe consumption of food contaminated with Staphylococcus aureus and Bacillus cereus.

Keywords： acute gastroenteritis; Staphylococcus aureus; Bacillus cereus; campus

金黄色葡萄球菌、蜡样芽胞杆菌均属于革兰氏阳性菌，是常见的食源性致病菌，在自然界中广泛分布，主要通过空气及接触等方式传播，可对食品造成污染[1]。（剩余3512字）