title: First-ever AIDS incidence decline marks start of a new era in epidemic.
mesh_terms: D000163:Acquired Immunodeficiency Syndrome / Q000453:epidemiology*; D002487:Centers for Disease Control and Prevention, U.S.; D003219:Confidentiality; D018563:Disease Notification / Q000331:legislation & jurisprudence*; D006801:Humans; D011159:Population Surveillance; D015995:Prevalence; D014481:United States / Q000453:epidemiology