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。
Campaigners have argued that the wrong vaccine Cervarix is being used in the routine immunization programme for young girls, which is estimated to prevent 400 deaths a year.
一些人认为，在年轻女孩中常规免疫接种Cervarix疫苗是错的，据估计，Cervarix疫苗每年可以预防400人死亡。
The expanded programme on immunization, a legacy of smallpox eradication, was a success story, but coverage had reached a stubborn plateau.
扩大免疫规划，即根除天花的后续工作，获得很大成功，但普及率已达到一个很难突破的平台。
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