The second 100,000 cases of acquired immunodeficiency syndrome--United States, June 1981-December 1991.

The first cases of acquired immunodeficiency syndrome (AIDS) were reported in June 1981. From 1981 through December 1987, 50,000 AIDS cases had been reported to CDC, and by August 1989, 100,000 cases had been reported. From September 1989 through November 1991, state and territorial health departments reported 100,000 additional cases. By December 31, 1991, a cumulative total of 206,392 cases had been reported (Figure 1), and the cumulative number of reported deaths associated with AIDS was 133,232. This report presents characteristics of the first and second 100,000 persons with AIDS.