U.S. urges tests for all at high risk of AIDS.
D015492:AIDS Serodiagnosis; D000163:Acquired Immunodeficiency Syndrome; D004813:Epidemiology; D035082:Federal Government; D006076:Government; D006268:Health Facilities; D006467:Hemophilia A; D006716:Homosexuality; D006801:Humans; D008403:Mass Screening; D011634:Public Health; D011640:Public Policy; D019966:Substance-Related Disorders; D014481:United States; D014492:United States Public Health Service
Health Care and Public Health; Popular Approach/Source; Public Health Service