Ck 12: Immunity

[Free Registration/Login may be required to access all resource tools.] Is giving shots to young children a good thing? Many, if not most, children hated going to the doctor, as it often meant getting a shot. Why? The shot actually contained a weakened or dead pathogen. And putting some of that dead pathogen into you was a good thing. In the following tutorial you will begin to understand immunity, and to also distinguish between active and passive immunity.