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vaccination vs. immunization

[ vak-suh-ney-shuhn ]
  1. the act or practice of vaccinating; inoculation with a vaccine.
[ im-yuh-nuh-zey-shuhn, ih-myoo- ]
  1. the fact or process of becoming immune, as against a disease.
  2. a method of protection against fluctuating bond interest rates by investing in securities having different yields and terms.

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