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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.