Addressing Latent TB in Areas with High TB Burden: Implications for Control

摘要

Brazil is a country in South America with a total population of 191 million of people (81% urban; 19% rural) with an estimated incidence of 92,000 new cases of tuberculosis (TB) yearly (data from 2007). Treatment of latent TB infection (LTBI) in Brazil is currently recommended only in the case of contacts of pulmonary smear-positive TB patients aged % 15 years with a tuberculin skin test (TST) “10?mm and no previous bacilli Calmette-Guérin (BCG) vaccination or with a TST” 15?mm regardless of previous BCG vaccination.