HIV-1 and HIV-2 infections in England and Wales.
D000163:Acquired Immunodeficiency Syndrome / Q000453:epidemiology*; D000354:Africa, Western / Q000208:ethnology; D004739:England / Q000453:epidemiology; D005260:Female; D015497:HIV-1; D015498:HIV-2; D006801:Humans; D008297:Male; D014852:Wales / Q000453:epidemiology