Update: acquired immunodeficiency syndrome--United States, 1992.

During 1992, state and territorial health departments reported 47,095 cases of acquired immunodeficiency syndrome (AIDS) to CDC, an increase of 3.5% over the 45,499 cases reported in 1991. As in previous years, most (50.8%) cases were attributable to transmission of human immunodeficiency virus (HIV) among homosexual/bisexual men (Table 1). This report summarizes the characteristics of persons reported with AIDS in 1992, compares them with data from 1991 (Table 1), and describes selected trends since 1988.