Nurses protected by new standard.
D000163:Acquired Immunodeficiency Syndrome / Q000517:prevention & control*; D006801:Humans; D009726:Nurses / Q000331:legislation & jurisprudence*; D009786:Occupational Health Services / Q000331:legislation & jurisprudence*; D014481:United States; D014489:United States Occupational Safety and Health Administration; D016635:Universal Precautions