title: Assessment of laboratory reporting to supplement active AIDS surveillance--Colorado.
mesh_terms: D000163:Acquired Immunodeficiency Syndrome / Q000175:diagnosis* / Q000453:epidemiology / Q000276:immunology; D000293:Adolescent; D000328:Adult; D015496:CD4-Positive T-Lymphocytes; D003120:Colorado / Q000453:epidemiology; D006801:Humans; D016130:Immunophenotyping; D007958:Leukocyte Count; D008875:Middle Aged