Singh, Dave, Sutton, Chris J and Woodcock, Ashley (2001) Repeat Tuberculin Testing in BCG-vaccinated Subjects in the United Kingdom. American Journal of Respiratory and Critical Care Medicine, 164 (6). pp. 962-964. ISSN 1073-449X
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Official URL: http://ajrccm.atsjournals.org/content/164/6/962.fu...
The booster effect varies between populations, but has not been studied in the UK. The aim of this study was to investigate the effect of repeat tuberculin tests at 1 wk in BCG-vaccinated healthy subjects (all hospital employees) in the UK; we have assessed whether a booster effect is present 48 and 72 h after injection. Twenty-six subjects received two tuberculin tests (both 10 units) administered
by the Mantoux technique—Tests 1 and 2. At Test 2 there
was a significant increase in induration at 48 h (mean, 7.8 mm; p<0.001), no difference at 72 h (mean, 0.2 mm; p=0.93), and a reduction at 96 h (mean,4.2 mm; p=0.02). There were more positive results (15 mm induration) at Test 2 compared with Test 1 at 48 h (19 vs. 9, respectively; p=0.002), but similar numbers at 72 h (11 vs. 10, respectively). These results show that repeat tuberculin testing in this BCG-vaccinated population caused a booster effect that varied with the time of measurement and was maximal at 48 h.
|Uncontrolled Keywords (separate with ;):||booster effect; tuberculin test|
|Subjects:||R Medicine > RC Internal medicine|
|Schools:||College of Health and Wellbeing > Lancashire Clinical Trials Unit|
|Deposited By:||Chris J Sutton|
|Deposited On:||03 Feb 2010 15:20|
|Last Modified:||28 Aug 2015 11:20|
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