Definition of vaccination in US English:



  • Treatment with a vaccine to produce immunity against a disease; inoculation.

    ‘vaccination against yellow fever is essential’
    count noun ‘if you think you need a flu vaccination, check with your doctor’
    • ‘Inadequately cleaned vaccine syringes are often responsible for localized infections associated with vaccination.’
    • ‘The animals may be incubating disease at the time of vaccination.’
    • ‘Antibodies are produced by the sow in response to vaccinations or subclinical disease exposure.’
    • ‘Travel to some parts of the world requires specific vaccinations.’
    • ‘Doctors at the meeting expressed concerned over a lack of available vaccinations should an outbreak occur.’