vaccination

所有孩子都接种了脑膜炎疫苗。

All the children are given a meningitis ___vaccination.

医疗保健中心通常提供疫苗接种作为其服务的一部分。

Health-care centres often provide ___vaccination as part of their services.

广泛的疫苗接种使人们能够活得更长久、更健康。

Widespread ___vaccination has enabled people to live longer and healthier lives.