Kids under 5 with HIV are dying at high rates. Here's why.

A woman sits on a bench holding a baby wrapped in a blanket, whose face is turned from the camera.

Among people with HIV, young children are the likeliest to die while receiving treatment.

This is likely because many children under 5 already have severely weakened immune systems by the time they're diagnosed with HIV, if they are ever diagnosed, according to a Centers for Disease Control and Prevention Morbidity and Mortality Weekly Report (MMWR) published Friday (Dec. 1).