It is very important that babies get immunised against whooping cough.
这是非常重要的婴儿获得免疫百日咳。
2
And it's getting rarer now that children are immunised against one of the commonest strains of meningitis.
它变得罕见的儿童接种针对最常见的脑膜炎菌株之一。
3
British parents who could afford it frequented plush Harley Street clinics to have their toddlers immunised with three separate jabs, as Dr Wakefield had recommended.