title: AIDS surveillance in Canada.
mesh_terms: D000163:Acquired Immunodeficiency Syndrome / Q000453:epidemiology* / Q000635:transmission; D000328:Adult; D002170:Canada; D003430:Cross-Sectional Studies; D005260:Female; D006801:Humans; D015994:Incidence; D008297:Male; D011159:Population Surveillance; D012307:Risk Factors