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Emerg Infect Dis. 2007 Jul;13(7):1101-4.

Zinc cream and reliability of tuberculosis skin testing.

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1
Imperial College London, London, UK.

Abstract

In 50 healthy Peruvian shantytown residents, zinc cream applied to tuberculosis skin-test sites caused a 32% increase in induration compared with placebo cream. Persons with lower plasma zinc had smaller skin-test reactions and greater augmentation with zinc cream. Zinc deficiency caused false-negative skin-test results, and topical zinc supplementation augmented antimycobacterial immune responses enough to improve diagnosis.

PMID:
18214192
PMCID:
PMC2878245
[Indexed for MEDLINE]
Free PMC Article

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