Abstract
In the summer of 1981, the Centers for Disease Control (CDC) alerted the medical world to an unexpected outbreak of Pneumocystis carinii pneumonia and Kaposi's sarcoma in young homosexual men who had no known reason to contract these uncommon diseases.1 , 2 New and surprising though this association may be, enough cases have already been collected to establish its reality. More than 160 examples are now being analyzed at the CDC, and five or six new cases are being reported each week. Recently, eight cases of Kaposi's sarcoma in young homosexual men in New York City were reported in Lancet.3 In . . .