World TB Day is March 24th and this year's theme is 'On the move against tuberculosis - innovate to accelerate action'. While there are some reasons for optimism the fight against TB continues. 2010 marks the halfway point for the Global Plan to Stop TB (2006-2015), the goal of which is to halt the spread of the disease and start to reverse its incidence. Global Health TV looks at the latest data from the WHO and asks - are we on course?