Tuberculin testing in a tertiary hospital: product variability

Nine percent of 2,721 hospital employees, previously tuberculin negative, were PPD positive when tested with 5 TU of PPD (Aplisol, Parke-Davis). Seventy percent of the positive reactions were found to be erroneous on retesting with Tubersol (Connaught). The excessive potency of Aplisol led to excess...

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Bibliographic Details
Published inInfection control and hospital epidemiology Vol. 15; no. 12; p. 758
Main Authors Shands, Jr, J W, Boeff, D, Fauerbach, L, Gutekunst, R R
Format Journal Article
LanguageEnglish
Published United States 01.12.1994
Subjects
False Negative Reactions
Florida
Humans
Personnel, Hospital
Reproducibility of Results
Tuberculin - immunology
Tuberculin Test - methods
Tuberculin Test - statistics & numerical data
Florida
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Summary:Nine percent of 2,721 hospital employees, previously tuberculin negative, were PPD positive when tested with 5 TU of PPD (Aplisol, Parke-Davis). Seventy percent of the positive reactions were found to be erroneous on retesting with Tubersol (Connaught). The excessive potency of Aplisol led to excessive expenditures of time and money investigating a nonexistent outbreak.
ISSN:0899-823X
DOI:10.1086/646854