title: OSHA stiffens bloodborne rules, decrees free hepatitis B vaccine.
mesh_terms: D000163:Acquired Immunodeficiency Syndrome / Q000517:prevention & control*; D006509:Hepatitis B / Q000517:prevention & control*; D017325:Hepatitis B Vaccines; D006801:Humans; D014481:United States; D014489:United States Occupational Safety and Health Administration; D016635:Universal Precautions / Q000331:legislation & jurisprudence*; D014614:Vaccines, Synthetic; D014761:Viral Hepatitis Vaccines
chemical_list: D017325:Hepatitis B Vaccines; D014614:Vaccines, Synthetic; D014761:Viral Hepatitis Vaccines