Occurrence of Haemophilus epiglottitis.
D002648:Child; D004825:Epiglottis; D006192:Haemophilus Infections / Q000453:epidemiology*; D006193:Haemophilus influenzae; D006801:Humans; D007827:Laryngitis / Q000453:epidemiology*; D008583:Meningitis, Haemophilus / Q000453:epidemiology; D008585:Meningitis, Meningococcal / Q000453:epidemiology; D008586:Meningitis, Pneumococcal / Q000453:epidemiology; D010414:Pennsylvania