七、免疫覆盖率的评价 (一)为了帮助确定暴发的准确原因,根据适当的控制策略,在暴发地区和周围地区要尽可能快地对目前疫苗覆盖率状况进行重新评价。在暴发点首先要做的事情是尽快地给目标年龄组的每个儿童进行免疫,而不是花费过多的时间和人力来确定覆盖率。不管怎样,对于那些不是开始控制活动目标地区以外的县/地 VII. EVALUATION OF IMMUNE COVERAGE (I) To help determine the exact cause of an outbreak, the current vaccine coverage status should be reassessed as rapidly as possible in outbreak areas and surrounding areas, based on appropriate control strategies. The first thing to do at the outbreak is to immunize each child in the target age group as soon as possible, rather than spending too much time and manpower setting coverage. Anyway, for those counties / territories that are not the target areas where control activities begin