This is called passive immunisation.

这叫作被动免疫。

youdao

And immunisation requires repeated vaccinations.

而且免疫是需要反复接种的。

youdao

A school immunisation programme began last month for all girls aged 12 and 13.

上月英国一项学校免疫计划启动，将为12、13岁的所有女孩作免疫接种。

youdao

Totnes has one of the lowest rates of immunisation against measles in the country.

BBC: Totnes schools not promoting MMR 'are neglectful'

The vaccine is the first of a number of forthcoming additions to Scotland's immunisation programmes.

BBC: Babies born from May to be offered rotavirus vaccine

That has put all immunisation campaigns - especially those with international links - under suspicion.

BBC: Polio killings a major setback