Systemic Hemophilus influenza infections in central Nebraska--how useful will the new vaccine be?
D000367:Age Factors; D002675:Child, Preschool; D005260:Female; D006192:Haemophilus Infections / Q000191:economics / Q000453:epidemiology*; D006193:Haemophilus influenzae; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D008297:Male; D009329:Nebraska; D012189:Retrospective Studies