An epidemic outbreak of hepatitis A among homosexual men in Stockholm. Hepatitis A, a special hazard for the male homosexual subpopulation in Sweden.

In 1979-1980, a distinct outbreak of hepatitis A occurred among homosexual men in Stockholm, Sweden, city and county area. The epidemic comprised 145 known cases. It began in December 1979 and progressed in waves during the following 10 months, with three distinct peaks separated by about six-week intervals.