将“OPV"翻译成中文

In 1999, there was a sudden increase in demand owing to the stepped-up eradication programme at a time of limited global availability of OPV.

1999年,消除小儿麻痹症方案有所强化,而全球口服小儿麻痹症疫苗的供应却有限,疫苗需要量突然增加。

The objectives of the SIAs with OPV are to boost mucosal immunity levels to rapidly interrupt virus circulation.

利用口服脊灰疫苗开展补充免疫活动的目的是,加强粘膜免疫水平,快速阻断病毒传播。