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目的分析天津市宁河区2010-2015年百日咳流行病学特征,为百日咳防控提供参考依据。方法对2010-2015年百日咳病例资料进行描述流行病学分析。结果2010-2015年天津市宁河区共报告55例百日咳,标化发病率为2.82/10万人口。在本区此病夏秋季高发。农村地区的发病率为2.56/10万人口,高于城区发病率(1.50/10万人口)。发病年龄≤1岁的病例占50.9%,3月内和3~6月的婴幼儿发病率分别高达186.67和120.00/10万人口。本地区2010-2015年0~6岁儿童含百日咳成分疫苗免疫接种率均在99%以上,发病人群中52.73%病例未接种百日咳疫苗或其接种史不详。发病与初次就诊的时间间隔中位数为13d。结论伴随监测的强化,百日咳的发病率明显增高;6月以内的婴幼儿是高发人群,应对之采取有效防护措施。
Objective To analyze the epidemiological characteristics of whooping cough in Ninghe District of Tianjin from 2010 to 2015 so as to provide a reference for the prevention and control of whooping cough. Methods The epidemiological analysis of pertussis cases in 2010-2015 was performed. Results A total of 55 cases of whooping cough were reported in Ninghe District of Tianjin from 2010 to 2015, with a prevalence of 2.82 per 100 000 population. The disease in this area in summer and autumn high incidence. The incidence in rural areas is 2.56 per 100,000 population, which is higher than the prevalence in urban areas (1.50 per 100,000 population). Incidence of age ≤ 1 year old cases accounted for 50.9%, 3 months and 3 to 6 months of infants and young children were as high as 186.67 and 120.00 / 10 million population. In 2010-2015, children aged 0-6 years in our region received pertussis component vaccines with immunization rates above 99%. 52.73% of the cases were not vaccinated against whooping cough or the vaccination history was unknown. The median time between onset and initial visit was 13 days. Conclusions With the strengthening of monitoring, the incidence of whooping cough is obviously increased. Infants and young children within 6 months are high incidence population, and effective protective measures should be taken.