immunized造句
Anotherchallengeisreachingthe24millionbabieseachyearthatareinadequatelyimmunizedornotimmunizedatall.Childrenarealsoimmunizedagainsttyphus,diphtheria,whoopingcough,smallpox,andtetanus.Surveyofanaccasio...
Anotherchallengeisreachingthe24millionbabieseachyearthatareinadequatelyimmunizedornotimmunizedatall.Childrenarealsoimmunizedagainsttyphus,diphtheria,whoopingcough,smallpox,andtetanus.Surveyofanaccasio...