Acquired immune deficiency syndrome.
D000163:Acquired Immunodeficiency Syndrome / Q000276:immunology*; D000818:Animals; D000917:Antibody Formation; D005260:Female; D006801:Humans; D008297:Male; D051381:Rats; D013094:Spermatozoa / Q000276:immunology; D013601:T-Lymphocytes / Q000276:immunology