Vaccines for Africa Initiative;
School of Public Health and Family Medicine;
University of Cape Town;
Cape Town 7925;
Western Cape;
South Africa;
Health Economics Unit;
School of Public Health and Family Medicine;
University of Cape Town;
Cape Town 7925;
Western Cape;
South Africa;
Botswana Harvard AIDS Institute Partnership;
Gaborone;
Botswana;
Hepatitis B virus; Human immunodeficiency virus; Metabolic syndrome; Fatty liver disease; Chronic liver disease; Sub-Sharan Africa;