title: Smallpox update nurses advised to weigh risks before receiving vaccine.
mesh_terms: D023482:Bioterrorism / Q000517:prevention & control*; D006801:Humans; D009726:Nurses; D016272:Occupational Health; D010414:Pennsylvania; D018570:Risk Assessment; D012900:Smallpox Vaccine / Q000009:adverse effects*; D012956:Societies, Nursing
chemical_list: D012900:Smallpox Vaccine