Epidemiology of Haemophilus influenzae type b infections in the United States.
Broome
C V
CV
Division of Bacterial Diseases, Centers for Disease Control, Atlanta, GA 30333.
D000367:Age Factors; D002675:Child, Preschool; D006192:Haemophilus Infections / Q000453:epidemiology*; D006801:Humans; D007223:Infant; D008583:Meningitis, Haemophilus / Q000453:epidemiology*; D012307:Risk Factors; D012621:Seasons; D014481:United States