Haemophilus influenzae disease declines by 95% in young children.
D002487:Centers for Disease Control and Prevention, U.S.; D002675:Child, Preschool; D006192:Haemophilus Infections / Q000453:epidemiology*; D006193:Haemophilus influenzae; D006801:Humans; D015994:Incidence; D007223:Infant; D007231:Infant, Newborn; D014481:United States / Q000453:epidemiology