HONG KONG, Dec. 1 (Xinhua) -- There were 123 cases of Human Immunodeficiency Virus (HIV) infections reported in the third quarter of 2009 in Hong Kong, bringing the total reported cases in the city to 4,372 since 1984, the Center for Health Protection said Tuesday.

    According to the Center for Health Protection, fifteen new Acquired Immune Deficiency Syndrome (AIDS) cases were reported during the third quarter, with eleven related to heterosexual contact. The new cases brought the total to 1,086 since 1985.

    The new HIV cases comprise 91 men and 32 women. Of them, 28 acquired the infection via heterosexual contact, 46 via homosexual or bisexual contact, and two through drug injection.

    The transmission routes of the remaining 47 cases were undetermined due to insufficient data.

    As shown by the statistics, 58 cases were reported by public hospitals and clinics, 33 by private hospitals and clinics, 13 by the Department of Health's Social Hygiene Clinics and 11 by the AIDS unit.

    The most common AIDS-defining illness was tuberculosis in this quarter, said the Center for Health Protection.

Special Report: World AIDS Day 2009