Surveillance for HIV-2 infection in blood donors--United States, 1987-1989.
D001782:Blood Donors; D015483:HIV Antibodies / Q000032:analysis; D015658:HIV Infections / Q000175:diagnosis* / Q000453:epidemiology; D015498:HIV-2 / Q000276:immunology; D006801:Humans; D009518:New York / Q000453:epidemiology; D011159:Population Surveillance; D014481:United States / Q000453:epidemiology
D015483:HIV Antibodies