Charles Shey Wiysonge is Vaccinology Programme Manager at the Institute of Infectious Disease and Molecular Medicine, University of Cape Town, Cape Town, South Africa. He previously worked for the South African Cochrane Centre, UNAIDS, WHO, and the Government of Cameroon. He is a medical epidemiologist with an MD from the University of Yaoundé I, Yaoundé, Cameroon. He also has an MPhil from the University of Cambridge, Cambridge, England. His main research interest is evidence-based health care.