Type: Incidence/prospective cohort
Study Status: Ongoing
Enrollment Status: Open
Countries: Kenya
Partners: Kenya AIDS Vaccine Initiative-Kenyatta National Hospital (KAVI-KNH), Nairobi, Kenya; Kenya Medical Research Institute-Centre for Geographic Medicine Research-Coast (KEMRI-CGMRC), Kilifi, Kenya.

Study Summary:
To identify exposed seronegative (ESN) volunteers, defined as individuals who remain HIV seronegative despite repeated exposure to HIV, and characterize the immunologic markers of exposure.