The study suggested that immunosuppressed HIV-infected children have a low persistence of antibodies to the vaccines of the Expanded Program on Immunization (EPI, WHO).
研究报告表明，感染艾滋病毒并免疫抑制的的儿童对免疫扩大计划（EPI，WHO）疫苗的有一个低持久性抗体。
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%.
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%.
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%。
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