vaccine

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A pre-pandemic influenza vaccine is the only vaccine which can be produced in advance and stockpiled today, allowing immediate availability in the event of a WHO declared pandemic.

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Definitions (16)

Toggle American Heritage definitions American Heritage Dictionary (3)

  1. noun A preparation of a weakened or killed pathogen, such as a bacterium or virus, or of a portion of the pathogen's structure that upon administration stimulates antibody production or cellular immunity against the pathogen but is incapable of causing severe infection.
  2. noun A preparation from the cowpox virus that protects against smallpox.
  3. noun Computer Science A software program designed to detect and stop the progress of computer viruses.

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Etymologies (2)

Toggle American Heritage etymologies American Heritage Dictionary (1)

  1. From Latin vaccīnus, of cows, from vacca, cow.

Toggle Century etymologies Century Dictionary (1)

  1. from French vaccin = Spanish vacuno = Italian vaccino, vaccine (as a noun, French vaccine = Spanish vacuna = Portuguese vaccina = Italian vaccina, from New Latin vaccina), from Latin vaccinus, of a cow, from vacca, a cow; prob. akin to Sanskrit √ vāç, cry, howl, low; cf. voice. Hence vaccinate, etc.
 

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/ˈvæksɪn/
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