title: Acquired immunodeficiency syndrome (AIDS).
mesh_terms: D000163:Acquired Immunodeficiency Syndrome / Q000453:epidemiology* / Q000209:etiology / Q000635:transmission; D016022:Case-Control Studies; D002648:Child; D002675:Child, Preschool; D003428:Cross Infection / Q000453:epidemiology* / Q000209:etiology / Q000635:transmission; D004196:Disease Outbreaks; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D012307:Risk Factors; D012383:Romania; D065227:Transfusion Reaction