1.A food poisoning incident suspected to be caused by proteus in a city of Dehong Prefecture,Yunnan Province
Tian HUANG ; Aicong LIU ; Boqing WU ; Xin LIU ; Ya HAN ; Yonghua LIU ; Taike YUE
Shanghai Journal of Preventive Medicine 2022;34(2):147-150
Objective To Investigate the cause of a food poisoning incident in a city in Dehong Prefecture, determine the scope of the incident, and to formulate effective prevention and control measures. Methods Field epidemiology and case-control study methods were used to formulate case definition; carry out case search; find suspicious food combined with clinical manifestations, dining history and other information; and collect samples from the suspicious food, cases and environment for laboratory testing. Results A total of 160 cases were found and the incidence rate was 26.02% (160/615). The main clinical manifestations were diarrhea, leukocytosis, vomiting, nausea and abdominal pain. The average incubation period was 10.89±5.09 h, with 2 h as the shortest and 28 h as the longest. The epidemiological curve suggested the point source exposure mode. The results of case-control study showed that eating roast pork with green shoots was an independent risk factor (