The main goals of our study were to evaluate: 1) the annual risk of tuberculosis infection (ARTI) and its annual decrease in Uganda; 2) the expected incidence of new tuberculosis cases and the notification rate; and 3) the role of incentives given to children tested in increasing compliance with the survey procedures. The methodology is based on performing the standard World Health Organization...

The work reported in this paper was carried out by the Fourth Antileprosy Service of the Leprosy Division of the Ministry of Health of Venezuela. It was planned for the purpose of studying the lepromin and tuberculin reactions before and after the administration of BCG in a relatively large group of persons living in leprosy foci of rural areas. Statistics regarding the induction of the lepromi...

The present authors assessed risk factors that can promote indeterminate results of QuantiFERON TB-2G (QFT-2G; Cellestis Ltd, Carnegie, Australia) tests. The subjects were 704 patients with suspected tuberculosis (TB) and latent TB infection between January 2005 and December 2007. The QFT-2G test and the tuberculin skin test (TST) were performed for all subjects. If the results of the QFT-2G te...

BACKGROUND Understanding of the effects of human immunodeficiency virus (HIV) infection and antiretroviral treatment (ART) on Mycobacterium tuberculosis transmission dynamics remains limited. We undertook a cross-sectional study among household contacts of smear-positive pulmonary tuberculosis (TB) cases to assess the effect of established ART on the infectiousness of TB. METHOD Prevalence of...

solution available in clinical settings, especially when current Centers for Disease Control and Prevention guidelines state that only solutions of PPD containing 5 TU/0.1 mL should be used.1 We have discontinued the 250 TU formulation in our institution. We urge caution in the interpretation of tuberculin tests and suggest careful examination of the strength of the solution before administration.

17 18 The prevalence of mycobacterial infection among lactating Fulani cows was investigated in 19 the Federal Capital Territory (FCT), Abuja and Kaduna State of Nigeria. Tuberculin testing 20 using single comparative intradermal tuberculin test (SCITT) showed a 14.6% positive, 4% 21 doubtful and 81.4% negative reactors. Mycobacterial infection was found to be present in the 22 nomadic (constan...