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Outbreak of hepatitis A among homosexual men in Sydney
M L Stokes1, M J Ferson, L C Young
1Public Health Unit, South Eastern Sydney Area Health Service, Randwick, New South Wales, Australia.
Objectives:
This study examined an outbreak of hepatitis A in eastern Sydney during 1991-1992.
Methods:
Data were based on cases of hepatitis A in eastern Sydney residents reported from January 1991 to October 1992.
Results:
Five hundred seventy cases of hepatitis A were reported. Of these, 515 (90%) occurred in male patients, of whom 330 were reported to be homosexual or bisexual. The highest attack rate (71/10,000) occurred in men aged 20 to 29 years of age.
Conclusions:
This outbreak affected large numbers of young homosexual men living in the inner eastern suburbs of Sydney. Hepatitis A vaccination should be considered for all susceptible homosexual men. Further research into the use of hepatitis A vaccine as an outbreak control measure is also recommended.