In this podcast, Rachael Moses, Multimedia Editor of Thorax BMJ, talks to Professor James Trauer, Epidemiological Modelling Unit, School of Public Health and Preventive Medicine, Monash University, Melbourne, Australia.

Tuberculosis is the world’s leading infectious disease killer with the BCG vaccine being the only approved vaccine for its control. The paper on hand was a systematic review of studies looking at the effect of BCG vaccination on TB disease, including sub-categories of TB disease. They discuss what makes this review different and the potential implications of the findings.