title: Fatal Haemophilus influenzae type f infection.
mesh_terms: D000328:Adult; D006192:Haemophilus Infections / Q000382:microbiology*; D006193:Haemophilus influenzae / Q000145:classification; D006801:Humans; D008297:Male; D014884:Waterhouse-Friderichsen Syndrome / Q000209:etiology*