The first NID could be conducted as early as 21 June, and will aim to reach the entire population of the country (two million), rather than the usual under-five year population.

第一个国家免疫日可尽早于6月21日举办，旨在普及到该国全体人口(200万)，而不是通常的5岁以下人口。

youdao

The first NID could be conducted as early as 21 June, and will aim to reach the entire population of the country (two million), rather than the usual under-five year population.

第一个国家免疫日可尽早于6月21日举办，旨在普及到该国全体人口(200万)，而不是通常的5岁以下人口。

youdao