Anonymous HIV survey results.
D003219:Confidentiality; D005260:Female; D015658:HIV Infections / Q000453:epidemiology*; D006801:Humans; D008297:Male; D011159:Population Surveillance; D011247:Pregnancy; D011251:Pregnancy Complications, Infectious / Q000453:epidemiology*; D006113:United Kingdom / Q000453:epidemiology