Prevention of secondary cases of Haemophilus influenzae type b disease.
D000293:Adolescent; D000328:Adult; D002648:Child; D002656:Child Day Care Centers; D002675:Child, Preschool; D006192:Haemophilus Infections / Q000517:prevention & control*; D006193:Haemophilus influenzae; D006801:Humans; D007223:Infant; D012293:Rifampin / Q000627:therapeutic use; D014481:United States
D012293:Rifampin