U.S. conducts broad AIDS study in blood drawn for other reasons.
D000163:Acquired Immunodeficiency Syndrome; D001782:Blood Donors; D002487:Centers for Disease Control and Prevention, U.S.; D004813:Epidemiology; D035082:Federal Government; D006076:Government; D006761:Hospitals; D006801:Humans; D011640:Public Policy; D014481:United States
Centers for Disease Control; Health Care and Public Health; Popular Approach/Source