As a result , immunisation rates in the poor world have soared .

而现在的情况是，贫穷国家的免疫率已经快速提高了。

And immunisation requires repeated vaccinations .

并且要想实现免疫还需要反复接种。

One priority of this new strategy is to work carefully with local leaders , to win support for immunisation .

新战略的重点是与所在国领导人密切配合以赢得他们对免疫工作的支持。

Over time , no link was confirmed between the mmr vaccine and autism , and immunisation rates returned to their earlier levels .

随着时间的推移，科学家没有确定麻风腮疫苗和自闭症之间有联系，免疫率又回到了之前的水平。

In january the government 's joint committee on vaccination and immunisation said it would be " prudent " for children aged six months to five years to be included in this season 's flu vaccination programme .

一月份，政府的疫苗与免疫联合委员会说：对于6个月至五岁的儿童来说，参与今年的流感疫苗接种计划是明智的。