2013年郴州市感染性腹泻流行特征及病原监测分析

Study on the epidemic characteristic and pathogenic surveillance of infectious diarrhea in Chenzhou,2013

目的了解2013年郴州市感染性腹泻流行特征和病原监测情况,为科学防控提供依据。方法运用描述性流行病学方法对郴州市2013年感染性腹泻流行病学及病原监测资料进行统计分析。结果 2013年郴州市共报告感染性腹泻病例2926例,发病率为63.31/10万,2岁以下儿童占报告总数的36.64%,发病数最高的月份是11月,发病数和发病率最高的均是汝城县;病原监测111份,阳性检出率为22.52%,菌株有致泻性大肠杆菌(72.00%)、志贺菌(24.00%)、沙门菌(4.00%)。结论 2013年郴州市感染性腹泻以2岁以下儿童为主,主要集中在秋冬季,菌株以致泻性大肠杆菌为主。

Objective To analyze the epidemic characteristic and pathogenic surveillance of infectious diarrhea in Chenzhou in 2013, and to provide references for the scientific prevention and control. Methods The descriptive epidemiological method was used for statistical analysis of epidemiological and pathogenic surveillance data of infectious diarrhea in Chenzhou in 2013. Results Total of 2926 infectious diarrhea cases were reported in Chenzhou in 2013, with an incidence of 63. 31/100 000. 36.64% of the reported cases were the children below 3 years old. November＇was the peak of incidence. Conclusions County was the top incidence cases and incidence rate of infectious diarrhea. 111 samples from diarrhea cases were carried out pathogenic surveiUance with a positive rate of 22.52%. The positive stains were pathogenic Escherichia coli （72.00%） , Shigella （24.00%） and Salmonella （4.00%）. Conclusion.The mail cases of infectious diarrhea are the children below 2 years old in Chenzhou in 2013. The peak season is autumn and winter.