Dogs must be vaccinated against distemper.

犬类必须接种疫苗来预防犬热病。

Have you had your child vaccinated against whooping cough?

你给你的孩子接种预防百日咳的疫苗了吗？

Measles and mumps are spreading again because children are not being vaccinated.

因为儿童没有接种疫苗，麻疹和腮腺炎又在传播了。