Aida Sivro, Ph.D., is a senior scientist in the HIV Mucosal Immunology Laboratory at the Center for the AIDS Programme of Research (CAPRISA) and a Senior Honorary Lecturer in the Department of Medical Microbiology at the University of KwaZulu-Natal. Her training is in infectious disease immunology, host genetics, and epidemiology, with a focus on HIV and tuberculosis in sub-Saharan Africa. Her current research interest center on understanding the role of different CD4+ T cell subsets and interferon responses in HIV and TB pathogenesis.