Earlier detection of HIV and second-generation antibody assays.
D000163:Acquired Immunodeficiency Syndrome / Q000175:diagnosis*; D000914:Antibodies, Viral / Q000032:analysis*; D006678:HIV / Q000276:immunology*; D015483:HIV Antibodies; D006716:Homosexuality; D006801:Humans; D007075:Immunoglobulin M / Q000032:analysis; D008297:Male; D008722:Methods; D013997:Time Factors
D000914:Antibodies, Viral; D015483:HIV Antibodies; D007075:Immunoglobulin M