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Arch Dermatol. 1995;131(2):137-138.

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THE EXPANSION of the surveillance case definition for acquired immunodeficiency syndrome (AIDS) in January 1993¹ resulted in a large increase in reported AIDS cases. This increase has primarily reflected reports of human immunodeficiency virus (HIV)-infected persons in whom severe immunosuppression (CD4+ count less than 200 T-lymphocytes/µL or a CD4+ T-lymphocyte percentage of total lymphocytes of less than 14) had been diagnosed, which typically occurs before the onset of AIDS-defining opportunistic illnesses (AIDS-OIs, CDC clinical category C disease).^1,2 The inclusion of the CD4+ reporting criteria in AIDS surveillance has required an alteration in methods used to assess trends in AIDS incidence, previously based on the diagnosis of AIDS-OIs. This report first summarizes information about AIDS cases reported during 1993; then, to describe trends in AIDS incidence if the surveillance definition had not been expanded, this report uses estimates of eventual AIDS-OI diagnosis dates for persons who were reported with . . . [Full Text PDF of this Article]

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