Related formshy·per·im·mu·ni·za·tion, nounnon·im·mu·ni·za·tion, noun
Examples from the Web for immunization
A lot times they're local, at the site of the immunization, where it was given.
When I took office, immunization levels for preventable childhood diseases had fallen to 70%.
The most promising of these is that of Todd , produced by the immunization of suitable animals.Handbook of Medical Entomology|William Albert Riley