CDC, OSHA: infection control and retroviruses.
D002487:Centers for Disease Control and Prevention, U.S.; D003428:Cross Infection / Q000517:prevention & control*; D004781:Environmental Exposure; D005521:Food Service, Hospital / Q000592:standards*; D006801:Humans; D010564:Personnel, Hospital; D014481:United States; D014489:United States Occupational Safety and Health Administration