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目的探讨安溪县2011年儿童病毒性脑膜炎疫情的流行病学特征。方法对病毒性脑膜炎病例进行流行病学分析。结果疫情发生在4～6月,5月中旬为发病高峰(16～18日发病占17.7%)。累计报告病例220例,罹患率100.40/10万。病例分布在16个乡镇98个村,其中湖头镇病例占60.0%。患儿性别比1.97∶1,年龄≤15岁,3～7岁占75.0%,托幼儿童和学生占75.0%。临床主要表现为发热、头痛、呕吐,血常规和脑脊液白细胞数升高,脑电图轻中度异常;病原学检测为ECHO30。患儿病情较轻,病程8～10d,愈后良好。结论疫情由ECHO30引起,流行呈单高峰,患儿有聚集性,开展监测和疫苗研发意义重大。
Objective To investigate the epidemiological characteristics of children’s viral meningitis in Anxi County in 2011. Methods Epidemiological analysis of viral meningitis cases. Results The outbreak occurred from April to June and peaked in mid-May (incidence of 17.7% on days 16-18). A total of 220 reported cases, the attack rate of 100.40 / 100,000. The cases were distributed in 98 villages in 16 townships, of which 60.0% were in Hugou town. Children with sex ratio of 1.97: 1, age ≤ 15 years, 3 to 7 years old accounted for 75.0%, child care and children accounted for 75.0%. Main clinical manifestations of fever, headache, vomiting, blood and cerebrospinal fluid leukocyte increased, mild to moderate EEG abnormalities; etiological test for ECHO30. Children with mild illness, duration of 8 ~ 10d, the prognosis is good. Conclusion The epidemic situation was caused by ECHO30. The epidemic peak was peaked, the children were aggregated, and the monitoring and vaccine research were of great significance.