Measles vaccination policy
期刊名称： Epidemiology & Infection
作者： Williams, B. G.,Cutts, F. T.,Dye, C.竞天择
窨年份： 1995年
岳钟琪
期号： 第3期创业计划书
一封家书500字关键词： saquinavir;proteina inhibitor;monotherapy;combination therapy
毛尖功效
摘要：Where immunization campaigns locally eliminate measles, it will be important to identify the vaccination policy most likely to prevent future epidemics. The optimum age for vaccination depends on the rate of decline of maternal antibody, becau the prence of antibody reduces vaccine efficacy. The first part of this paper contains a quantitative reappraisal of the data on antibody decline and roconversion rates by age. The decline in maternal antibody protection follows delayed exponentials, with delays of 24 months, and subquent half-lives of 12 months. Using this result in an analytical mat什么是法定节假日
学习评价hematical model we find that the optimal age to administer a single do of vaccine to children, which is independent of vaccine coverage, lies within the range 1119 months. We also show that, where the optimal age cannot be met, it
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