About one in five gay or bisexual men do not know about their HIV positive status.

According to the research, 6.5% participants were HIV positive, of which 20.9% did not know that they had the disease.
Lead author of the study, Dr. Peter Saxton of the Otago University said, "People with undiagnosed HIV are delaying treatment that can improve their quality of life and life expectancy."
The study is published by BMC Public Health.
Source-Medindia