Post-vaccination tuberculin response using PPD derived from BCG

Sarinho, E.; Pontual, M.; Carvalho, M.R.; da Costa, M.J.

Boletin de la Oficina Sanitaria Panamericana. Pan American Sanitary Bureau 111(5): 402-405

1991


ISSN/ISBN: 0030-0632
PMID: 1837717
Document Number: 379067
The aim of this study was to compare the biological response obtained with two tuberculin tests--PPD-RT 23 and PPD derived from BCG--among children already vaccinated with the Calmette-Guérin bacillus. Results varied widely, and the differences observed were statistically significant. This shows the need for additional studies to assess the sensitivity, specificity and predictive value of both tests.

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