title: Working under threat.
authors.forename: E
authors.initials: E
authors.lastname: Mayfield
mesh_terms: D000163:Acquired Immunodeficiency Syndrome / Q000635:transmission*; D002487:Centers for Disease Control and Prevention, U.S.; D006801:Humans; D009740:Nursing Staff / Q000600:supply & distribution*; D010361:Patients; D014481:United States