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Migration and age differences between male and female partners fuelling the HIV epidemic in South Africa
Roger Pebody, 2016-12-14 08:40:00
Analyses from two large household surveys in KwaZulu-Natal,
South Africa shed new light on the dynamics of HIV transmission in the South
African province that is hardest hit by HIV. Adolescent girls and young women
typically acquire HIV from men several years older than themselves, while older
men usually acquire HIV from women of their own age. Men and women who migrate
just 50km away from home are more likely to become HIV positive than those
who stay in their home community.
The two recently published studies each use data from large
household surveys in two different areas of KwaZulu-Natal. Age-disparate
relationships and migration have already been identified as factors driving the
HIV epidemic in southern Africa, but these sophisticated analyses clarify and
reinforce the evidence for these factors.