vaccinoid reaction

  • 1vaccinoid — Resembling vaccinia. * * * vac·ci·noid vak sə .nȯid adj resembling vaccinia * * * adj. resembling a local infection with vaccinia (cowpox) virus. A vaccinoid reaction is one of the possible results of vaccination against smallpox in individuals… …

    Medical dictionary

  • 2vaccinoid — adj. resembling a local infection with vaccinia (cowpox) virus. A vaccinoid reaction is one of the possible results of vaccination against smallpox in individuals who already have partial immunity. The swelling, reddening, and blistering are… …

    The new mediacal dictionary

  • 3reaction — 1. The response of a muscle or other living tissue or organism to a stimulus. 2. The color change effected in litmus and certain other organic pigments by contact with substances such as acids or alkalies; also the property that such substances… …

    Medical dictionary