vaccine meaning

[ 'væksi:n ] Pronunciation:   "vaccine" in a sentence
  • Noun: vaccine  vak'seen
    1. Immunogen consisting of a suspension of weakened or dead pathogenic cells injected in order to stimulate the production of antibodies
      - vaccinum

    Derived forms: vaccines

    See also: vaccinate

    Type of: immunizing agent, immunogen

    Encyclopedia: Vaccine

  • [Medicine]
    1 : matter or a preparation containing the virus of cowpox in a form used for vaccination
    2 : a preparation of killed microorganisms, living attenuated organisms, or living fully virulent organisms that is administered to produce or artificially increase immunity to a particular disease ‹polio vaccine›; also : a mixture of several such vaccines ‹measles-mumps-rubella vaccine›


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  1. vaccines also induce cellmediated immunity.
  2. this vaccine will give you immunity for two years.
  3. egg-grown vaccines should be avoided in egg-sensitive patients.
  4. finding a vaccine for plasmodium has been an elusive goal.
  5. we hope then to use the antibody as a vaccine against this blocking action.

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