丽水市食源性疾病调查结果分析

目的初步掌握丽水市食源性疾病的发病及流行趋势,提高食源性疾病的预警与防治能力。方法收集2013年5月—2014年10月食源性疾病哨点医院调查数据,统计分析丽水市食源性疾病流行特征。结果共调查病例3 492例,6~15岁组男性比例是女性的2.85倍,46~55岁组女性是男性的1.56倍。调查病例中,农民最多,儿童次之,分别为1 547例、802例,临床症状除腹泻外,腹痛占62.29%(2 175/3 492),发病主要集中在2013年6月26日~11月16日。儿童发病与就诊平均时间间隔与农民、干部职工、学生、教师差异有统计学意义(P0.05),农民、干部职工、学生、教师差异无统计学意义(P0.05)。216例经实验室确诊,占6.19%(216/3 492),菌株鉴定符合率为50.27%(189/376)。结论食源性疾病调查能够客观地反映丽水市食源性疾病的发生情况,但尚需进一步改进,提升病原溯源能力及鉴定能力。

Active surveillance of foodborne disease in Lishui city

To preliminarily understand the incidence and epidemic trend of foodborne disease in Lishui city, so as to enhance the ability of early warning and control.Methods Surveillance data was collect from sentinel hospitals and analyzed for epidemic feature of foodborne disease in Lishui city. Results A total of 3 492 cases were reported, the male patients were 2.85 times as many as female among 6-15 age group, and female patients were 1.56 times as many as male among 46-55 age group. The number of the peasants were 1 547, and the children were 802. Except for diarrhea, bellyache took up 62.29%(2 175/3 492). Cases were mainly concentrated from May to October, 2013. The average time consume of children to visit a doctor was significantly different compared with the peasant, the government staff and workers, the students and the teacher (P<0.05). The difference among the peasants, the government staff and workers, the students and the teachers was not significant (P>0.05). 216 cases were confirmed by laboratory testing, and strain identification coincidence rate was 50.27%(189/376). Conclusion Foodborne disease active surveillance could inflect foodborne disease epidemic situation, but it should be further improved.