Immunization and vaccination
This Editorial Guide is used for Education Purposes Only. It is used in the Authoring Courses and Certifications. It is based on the January 2026 Editorial Guide.
Immunization may be active (introduction of a vaccine) or passive (introduction of immunoglobulin/antibodies). A vaccine is a substance that can induce active immunity. Vaccination, by definition, is the introduction of a vaccine, and is, therefore, synonymous with active immunization. Some descriptions include the word vaccination, where it is clear that vaccination is intended. Other descriptions have preferred terms with the word vaccination, and synonyms with the word immunization, to include both active and passive immunization.
For example,
38598009 |Measles-mumps-rubella vaccination (procedure)| has vaccination in all descriptions
86198006 |Influenza vaccination (procedure)| has the synonym, influenza immunization
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