Synonyms for Immunization:

1. Vaccination
2. Inoculation
3. Injection
4. Booster
5. Prophylaxis
6. Injection of serum
7. Injection of antigens
8. Immunotherapy
9. Serum therapy
10. Serum injection
11. Immunization shot
12. Immunization program
13. Vaccine
14. Immunization protocol
15. Immunization schedule
16. Immunoglobulin
17. Immunoglobulin injection
18. Injection of immunoglobulin
19. Immunization against disease
20. Immunization against infection
21. Immunization against virus
22. Injection of vaccine
23. Injection of immunization
24. Injection of immunizing agent
25. Injection of prophylactic
26. Injection of antigenic material
27. Injection of immunizing substance
28. Injection of immunizing material
29. Injection of protective agent
30. Injection of protective material

Looking for other words for immunization? There are many different synonyms to choose from, depending on the context and situation. Some of the best ideas include vaccination, inoculation, injection, booster, prophylaxis, immunotherapy, and serum therapy. Each of these words has a slightly different meaning and can be used to describe immunization in a variety of ways. It is important to be aware of the subtle differences between each of these words in order to make sure that you are using the most appropriate and accurate term.