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目的 探讨风疹应急性预防接种的效果 ,为控制风疹爆发疫情提供依据。方法 对某市 8所小学风疹爆发流行进行流行病学调查 ,首先利用 1所小学自然爆发至终止的数据建立本次风疹爆发的Reed -Frost模型 ,以此模型预测其它 7所经应急性预防接种的小学的理论风疹发病人数 ,进而预测应急性预防接种的预防效果。结果 7所小学风疹的理论显性发病例数 1 0 0 0例 ,应急性预防接种减少风疹发病 92 5例。结论 在发生风疹爆发的小学应尽早进行风疹疫苗的应急接种 ,以控制风疹爆发疫情的蔓延
Objective To investigate the effect of rubella vaccination in order to provide the basis for controlling the outbreak of rubella. Methods Epidemiological survey of the epidemic of 8 primary rubella in a city was conducted. First, the Reed -Frost model of this rubella outbreak was established by using the data of one primary school natural outbreak to its termination. Based on this model, Of the primary schools of the theoretical incidence of rubella, and then predict the effectiveness of prevention of vaccination. Results There were 100 cases of theoretical dominant cases of rubella in primary schools and 92 cases of cases of decreased incidence of rubella in emergency vaccinations. Conclusions Emergency vaccinations of rubella vaccines should be conducted as soon as possible in primary schools where an outbreak of rubella occurs to control the spread of an outbreak of rubella