English

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Etymology

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over- +‎ immunization

Noun

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overimmunization (usually uncountable, plural overimmunizations)

  1. (American spelling) The administration of unnecessary immunizations.
    • 1971, The Changing Times: The Kiplinger Magazine - Volume 25, page 24:
      Also, overimmunizations may cause undesirable reactions.
    • 2001, James A Stockman, Year Book of Pediatrics, →ISBN, page 88:
      Now we are seeing reports of overimmunization.