|Nearly one-third of the global population, i.e. two billion people, are infected with mycobacterium tuberculosis and at risk of developing the disease, more than 8 million people develop active tuberculosis (TB) every year, and about two million people die. Tuberculosis is one of the leading global causes of morbidity and mortality. According to the World Health Organisation (WHO), 2.4 million cases were reported in 2001. In 2010, there were 8.8 million incident cases of Tuberculosis, 1.1 million deaths from TB among HIV-negative peopleand an additional 0.35 million deaths from HIV-associated TB. Almost 10 million children were orphaned as a result of parental deaths from TB in 2009.