[Haemophilus influenzae B meningitis and Waterhouse-Friderichsen syndrome in a 5-month-old infant].

A five months old infant with Waterhouse-Friderichsen syndrome related to Haemophilus influenzae type b meningitis is reported. In spite of treatment with IV fluids, antibiotics and dopamine, he died eight hours after admission. Necropsy findings included bilateral adrenal bleeding compatible with the Waterhouse-Friderichsen syndrome. This is the younger infant reported with this diagnosis in association with Haemophilus influenzae in Chile.