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. 2017 Nov 20;7(11):e016232. doi: 10.1136/bmjopen-2017-016232

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HIV prevalence by age. Data were derived from the Prevention of Mother to Child Transmission of HIV, Effectiveness in Africa and, Research and Linkages to HIV Care survey (PEARL study).^23–28 There were only three study participants aged 45–49 years and one aged ≥50 years.