Abstract
To the Editor: The acquired immunodeficiency syndrome (AIDS) is thought to have first appeared in the United States in 1978–1979.1 Changes in the frequency of Kaposi's sarcoma among single young men provide a sensitive means of detecting the existence of the AIDS epidemic in San Francisco.2 , 3 We reviewed the cases of Kaposi's sarcoma that occurred between 1973 and 1979 among men 20 to 50 years of age in New York City, using data from the State Cancer Registry, chart abstracts, and death certificates. Of five patients between 1973 and 1976, four were both married and foreign-born (Cuba; Guinea, West Africa; . . .