Eosinophilic granulomatosis with polyangiitis (EGPA), also called Churg Strauss syndrome, is a rare, chronic disorder and a form of primary systemic autoimmune vasculitis characterized by inflammation of blood vessels.

Chronic granulomatous disease (CGD) is a rare, inherited immunodeficiency that affects certain white blood cells.

Cystic fibrosis (CF) is a genetic disorder that causes mucus to build up and damage organs in the body, particularly the lungs and pancreas.