为了帮助所有有需要的人，迅速扩大免疫接种计划。

Rapidly scale immunization programs in order to reach all those in need.

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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 study suggested that immunosuppressed HIV-infected children have a low persistence of antibodies to the vaccines of the Expanded Program on Immunization (EPI, WHO).

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此后，计划免疫覆盖范围不断扩大。

Since then, immunization coverage has expanded.

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此后，计划免疫覆盖范围不断扩大。

Since then, immunization coverage has expanded.

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