1988, World AIDS Day on Dec. 1 has been observed as a time to display compassion, hope, solidarity and understanding about the deadly disease. This year's theme is "AIDS: Men Make a Difference." More than 70 percent of HIV infections worldwide occur through sex between men and women, with a further 10 percent through sex between men. This series of articles will examine three men whose lives have been deeply touched by AIDS and HIV.

An alarming number of Japanese who have AIDS, the human immunodeficiency virus, are unaware they are infecting others through sexual activity, according to an Australian volunteer and activist here.

For more than two years, Hayden Majajas, 27, from Brisbane, has worked as a volunteer for AIDS Care Project, a volunteer organization helping people live with HIV and AIDS in Japan.