Final CDC rules on TB offer more flexibility.
D002487:Centers for Disease Control and Prevention, U.S.; D017408:Guidelines as Topic; D006801:Humans; D017053:Infection Control / Q000592:standards*; D009873:Operating Rooms / Q000592:standards*; D012134:Respiratory Protective Devices; D014376:Tuberculosis / Q000517:prevention & control*; D014481:United States