Haemophilus influenzae type b necrotizing fasciitis in an adult with common variable immunodeficiency

Necrotizing fasciitis of an extremity due to Haemophilus influenzae is exceptionally uncommon in adults, particularly since the advent of widespread vaccination with conjugated H. influenzae type b (Hib). We report a previously vaccinated, 39-year-old male with a history of common variable immunodeficiency (CVID), poorly compliant with intravenous immunoglobulin (IVIG) therapy, who required emergent treatment for left leg necrotizing fasciitis. …