于2002年开始在瓦希古亚卫生区开展婴儿例行免疫接种活动。 据报,截至2007年底,扩大免疫规划(EPI)覆盖率为85.3%。
The routine infant immunization in the health district of Ouahigouya started in 2002 and the reported Expanded Program on Immunization (EPI) coverage at the end of 2007 was 85.3%.
全球来讲,自1974年世界卫生组织开展扩大免疫规划以来,接种率已经显著提高。
Globally, coverage has greatly increased since WHO's Expanded Programme on Immunization began in 1974.
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