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目的分析博白县1999～2008年流行性乙型脑炎(简称乙脑)流行趋势,为制订乙脑防治策略提供依据。方法采用描述性流行病学方法分析材料。结果1999～2008年博白县共发生乙脑病例152例,死亡30例。其中1999年84例、2004年38例,发病率分别为6.03/10万、2.54/10万,其余年份呈低水平散发。病例地区分布较平均,男女比例为1.27:1,最小发病7个月,最大年龄10岁,以2～6岁多见118例占77.63%。免疫史不详及空白为109例,占71.71%。5～7月发病151例,占99.34%。结论博白县乙脑流行季节较早,在预测流行年份提前对低年龄儿童进行乙脑疫苗普种具有现实意义。
Objective To analyze the epidemiological trend of Japanese encephalitis (JE) in Bobai County from 1999 to 2008, and provide evidence for the prevention and control of JE. Methods Descriptive epidemiological methods were used to analyze the material. Results A total of 152 JE cases and 30 deaths occurred in Bobai County from 1999 to 2008. Including 84 cases in 1999 and 38 cases in 2004, the incidence rates were 6.03 / 100000, 2.54 / 100000, the remaining years showed a low level of distribution. The average distribution of cases was 1.27: 1, the minimum incidence was 7 months, the maximum age was 10 years old, and 118 cases were more common in patients aged 2 ~ 6 years, accounting for 77.63%. Unknown history of immunization and blank for 109 cases, accounting for 71.71%. From May to July, 151 cases were diagnosed, accounting for 99.34%. Conclusion The prevalence of Japanese encephalitis in Bobai County is earlier, and it is of practical significance to popularize Japanese encephalitis vaccine in low-age children in advance of the predicted epidemic year.