Active referral of children of HIV-positive adults reveals high prevalence of undiagnosed HIV

OBJECTIVES:Few routine systems exist to test older, asymptomatic children for HIV. Testing all children in the population has high uptake but is inefficient, while testing only symptomatic children increases efficiency but misses opportunities to optimize outcomes. Testing children of HIV-infected adults in care may efficiently identify previously undiagnosed HIV-infected children before symptomatic disease. METHODS:HIV-infected parents in HIV care in Nairobi, Kenya were systematically asked about their children’s HIV status and testing history. Adults with untested children