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目的了解嘉兴市副溶血性弧菌流行特征,评估其疾病负担,为制定防控策略提供依据。方法收集嘉兴市7家食源性疾病监测哨点医院2014年腹泻病患者资料,并采集患者粪便或肛拭子做副溶血性弧菌分离培养和血清型鉴定。对检测发现的副溶血性弧菌感染病例,通过入户调查,了解直(间)接医疗费用。结果 2014年报告腹泻患者2 711例,其中副溶血性弧菌阳性71例,占2.62%;7—10月为高发期,患者以农民居多,占33.80%;血清型以O3:K6与O4:K8为主,占70.42%。病例次均疾病负担927.76元,估算嘉兴市副溶血性弧菌疾病总经济负担为1 596.38万元,农村病例次疾病负担高于城市(P<0.05),女性病例次疾病负担高于男性(P<0.05),不同年龄组的次疾病负担差异无统计学意义(P>0.05)。结论嘉兴市副溶血性弧菌腹泻负担较重,应加强食品安全管理,强化重点人群食品卫生知识宣传。
Objective To understand the epidemic characteristics of Vibrio parahaemolyticus in Jiaxing and assess the burden of disease in order to provide the basis for the development of prevention and control strategies. Methods The data of diarrhea patients from 7 foodborne disease surveillance sentinel hospitals in Jiaxing City were collected, and the feces or anal swabs of patients were collected to isolate and characterize Vibrio parahaemolyticus. On the detection of Vibrio parahaemolyticus detected cases, through the household survey to understand direct (indirect) medical expenses. Results A total of 2 711 cases of diarrhea were reported in 2014, of which 71 were Vibrio parahaemolyticus (2.62%). The incidence of Vibrio parahaemolyticus was high in July-October (33.80%). Serotypes were O3: K6 and O4: K8-based, accounting for 70.42%. The average burden of disease was 927.76 yuan. The total economic burden of Vibrio parahaemolyticus in Jiaxing City was estimated to be 15.6368 million yuan. The disease burden in rural areas was higher than that in urban areas (P <0.05) <0.05). There was no significant difference in sub-disease burden among different age groups (P> 0.05). Conclusion Jiaxing Vibrio parahaemolyticus has a heavy burden on diarrhea. Food safety management should be strengthened to promote knowledge of food hygiene among key populations.