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What is CGD?
CGD is a rare genetic condition where the immune system doesn’t work the way it’s supposed to. People living with CGD are not able to fight off infections from certain bacteria and fungi, which are called pathogens. When white blood cells rush to the site of the infection and then cannot kill it, they build up.
These buildups of white blood cells form lumps called granulomas, which can develop in the bladder, intestines, lungs, gastrointestinal tract, and skin. This is how CGD got its name. Watch a video about how white blood cells work in the body.