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. 2017 Sep;23(9):1560–1563. doi: 10.3201/eid2309.161594

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Overall prevalence of HIV (A) and hepatitis B virus (B) in South Africa, by province, among persons making blood donations through the South African National Blood Service, January 2012–September 2015. Pink indicates a significantly higher odds ratio and green indicates a lower odds ratio compared with Gauteng Province (Johannesburg region) and adjusting for other factors. Unadjusted prevalences are shown in parentheses. NA, not applicable.