South Africa's progress in fighting HIV and TB is under threat due to US funding cuts, with 39 clinical research sites at risk. This is according to a new report by Doctors Without Borders and the Treatment Action Group done for the first time since the US announced funding cuts for foreign aid earlier this year. The recent analysis reveals that 39 clinical research sites are at risk in South Africa. Elvis Presslin spoke to TB Advocacy Pharmacist at Medisins Sans Frontiers, Christophe Perrin