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Medical Term:

accelerated reaction


a response occurring in a shorter time than expected; the cutaneous manifestations occurring during the period between the second and tenth days following smallpox vaccination; because it is intermediate between a primary reaction and an immediate reaction, it is regarded as evidence of some degree of resistance.

Synonym(s): vaccinoid reaction

© Copyright 2017 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.