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Mantoux test

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Mantoux test

(Science: investigation) test for tuberculin reactivity in which tuberculin PPD (purified protein derivative) is injected intracutaneously. The injection site is examined after 2-3 days, a positive reaction, indicating current or previous infection with mycobacterium tuberculosis (in an uninoculated individual), is an oedomatous and reddened area caused by t-cell reactivity.