title: Letter: Haemophilus influenzae meningitis in adults.
mesh_terms: D000328:Adult; D006192:Haemophilus Infections / Q000453:epidemiology*; D006193:Haemophilus influenzae; D006801:Humans; D008581:Meningitis / Q000453:epidemiology / Q000382:microbiology*; D006113:United Kingdom