How to request a test: A clinician's guide to the interpretation and evaluation of medical tests

Tom Boyles, Honorary Associate Professor, London School of Hygiene and Tropical Medicine, London, United Kingdom, Honorary Researcher, Perinatal HIV Research Units, University of the Witwatersrand, Johannesburg, South Africa

Dr Tom Boyles qualified in Medicine from Oxford University in 2000 and completed Membership of the Royal College of Physicians in 2004. He later moved to South Africa in 2007, and gained an MD from the University of Wales, Cardiff in 2008. He worked as an HIV physician in a deeply rural area before moving to Cape Town in 2010. He completed sub-specialty training in Infectious Diseases in 2012 and has been a consultant ever since. He spent three months working on the Ebola outbreak in Sierra Leone in 2014/5. He has now returned to rural medicine and has settled in Johannesburg.