The polio vaccine has saved millions of lives.

脊髓灰质炎挽救了数百万计的生命。

If vaccinal measles vaccine can prevent hives, take a poliomyelitis tervalent mixture vaccine can prevent a poliomyelitis to wait.

如接种麻能预防麻，服脊髓灰质炎三价合能预防小儿麻痹症等。