Bacillus Calmette–Guérin (BCG) vaccine has a protective effect against tuberculosis (TB) in adults decades after vaccination, according to a cross-sectional study. The observation, posted online September 27, 2012, and published in print February 11, 2013, in a special themed issue of Thorax coinciding with World TB Day, has important implications for national policy of BCG vaccination.

Screening for Mycobacterium tuberculosis infection in young children and offering isoniazid preventive therapy (IPT) is highly cost-effective, according to findings of a decision analysis model first posted online June 20, 2012, and first published in print February 11, 2013, in a special themed issue of Thorax coinciding with World TB Day.