Transitions study (Kenya) exploring early HIV risk among adolescent girls, young women and young female sex workers

A brief describing the approach and outcomes of a study to understand the risk and vulnerabilities of adolescent girls and young women and young self-identified sex workers aged 14-24. The goal was to inform the strategic design and expansion of HIV prevention programmes in Kenya. The study used geographic mapping, immunological studies, a behavioural and biological survey, and mathematical modelling.