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目的 加速控制麻疹。方法 根据对山东省麻疹疫情的预测分析,于1999年对8月龄-7岁儿童完成一次麻疹疫苗强化免疫,报告接种率95.67％。结果 强化免疫后,麻疹发病率大幅下降,整个流行期较1999年同期下降46.23％,与上一个流行周期(1995/1996年度)过后同期下降幅度(18.71％)相比,二者差异有非常显著性(u2=10.24,P<0.01);7岁以下儿童发病率显著降低,而7～14岁儿童发病构成比相对增加;由于受大年龄组儿童暴发的影响,虽发病高峰削弱不明显,但高峰持续时间明显缩短。结论 在常规免疫的基础上,开展大规模的强化免疫,对控制麻疹效果显著。建议适时调整强化免疫策略,进一步降低麻疹发病率。
Purpose To speed control of measles. Methods Based on the predictive analysis of the measles epidemic situation in Shandong Province, a measles vaccine immunization was completed for children aged 8 months to 7 years in 1999 with a reporting rate of 95.67%. Results After the intensive immunization, the incidence of measles dropped drastically, with the overall epidemic period dropping 46.23% as compared with the same period of 1999. Compared with the same period of the previous epidemic period (18.71%) after the epidemic period (18.71%), the difference was significant (U2 = 10.24, P <0.01). The incidence of children under 7 years of age was significantly lower than that of children aged 7 to 14 years. However, due to the outbreak of children in the older age group, although the incidence peak was not significantly weakened, Peak duration was significantly shorter. Conclusion On the basis of routine immunization, large-scale intensive immunization is carried out and the effect on measles control is remarkable. It is advisable to adjust the immunization strategy in a timely manner to further reduce the incidence of measles.