Human immunodeficiency virus infection is incurable. About 770 000 people died of HIV worldwide in 2018. More than two-thirds of these died in Africa (UNAIDS Global Aids Update 2019). Although Statistics South Africa has recorded some improvement in the overall survival, HIV-related levels of morbidity and mortality remain high. Mortality is greatest among those not on antiretroviral therapy (ART), that is, either naïve to ART or those who have stopped taking medication and are outside of care. Mortality is also high in he first year after the start of ART. Of South Africa’s 7.97 million people living with HIV (PLWHIV) in 2019, only 4.94 million are on ART. A
detectable viral load while on ART is usually a sign of treatment failure or poor viral control. These persons are also at increased risk of HIV-related morbidity and mortality.
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