vaccination

接种疫苗；种痘中释n

1 But now there is no mumps at all in some countries because of vaccination..但现在因为接种疫苗在某些国家腮腺炎已经不见。

2 People should therefore continue to seek seasonal influenza vaccination like any other year..因此，人们应当像以往一样继续接种季节性流感疫苗。

3 There are some reasons why some people believe they have gotten influenza after vaccination..有若干原因可说明为什么有些人认为他们在接种疫苗之后患上流感。