TB update: NIOSH recommends respiratory protection for healthcare workers.
D003140:Communicable Disease Control / Q000331:legislation & jurisprudence / Q000379:methods / Q000592:standards; D006801:Humans; D008397:Masks / Q000592:standards*; D009314:National Institute for Occupational Safety and Health, U.S.; D016273:Occupational Exposure / Q000331:legislation & jurisprudence* / Q000517:prevention & control; D010564:Personnel, Hospital / Q000331:legislation & jurisprudence*; D010934:Planning Techniques; D012134:Respiratory Protective Devices / Q000592:standards*; D014376:Tuberculosis / Q000517:prevention & control*; D014481:United States