Given the amount of effort and funds needed to launch a targeted - let alone a blanket - immunization programme at the global level, sentinel sampling is not enough.
考虑到为启动有针对性的——权且不提地毯式的——全球级免疫规划所需的努力和资金，单靠哨点抽样是不够的。
In most of Africa, national and targeted subnational immunization campaigns are helping to sharply reduce the number of polio cases.
在非洲多数地方，全国性及锁定特定地区的免疫活动，有助于大幅减少小儿痲痹病例数。
It is widely accepted that the targeted strategy, based on global information of nodes' connectivity hierarchy, is most efficient immunization strategy.
基于节点连接的不均匀性提出的目标免疫被认为是最好的免疫策略。
It is widely accepted that the targeted strategy, based on global information of nodes' connectivity hierarchy, is most efficient immunization strategy.
基于节点连接的不均匀性提出的目标免疫被认为是最好的免疫策略。
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