Strengthening HIV surveillance in the antiretroviral therapy era: rationale and design of a longitudinal study to monitor HIV prevalence and incidence in the uMgungundlovu District, KwaZulu-Natal, South Africa
Kharsany AB, Cawood C, Khanyile D, Grobler A, Mckinnon LR, Samsunder N, Frohlich JA, Abdool Karim Q, Puren A, Welte A, George G, Govender K, Toledo C, Chipeta Z, Zembe L, Glenshaw MT, Madurai L, Deyde VM, Bere A
