The United Nations Sustainable Development Goals herald a major commitment by the world to halt the spread of HIV/AIDS by 2030.1 Yet despite huge advances in testing and antiretroviral therapy, around half of the estimated 37 million people living with HIV in the world do not know their HIV-positive status,2,3 leading to late presentation complicated by significant immunosuppression, opportunistic infections and related mortality,4 and contributing to the spread of HIV in the community.5,6...