As global leaders are set to meet for the first-ever United Nations tuberculosis summit in New York on Wednesday, medical humanitarian organisation Médecins Sans Frontières (MSF) has called on governments to urgently scale up TB diagnosis and treatment, and commit more resources. The organization says while TB is the world's deadliest infectious disease, killing 1.6 million in 2017, it is still drastically under-funded. Elvis Presslin spoke to MSF TB doctor in Khayelitsha Dr Justine Fargher