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Gender Makes A Difference In Risk Of HIV Transmission.
2001 OCT 25 - (NewsRx.com & NewsRx.net) -- In heterosexual couples where one partner is HIV positive, viral load, or the amount of detectable virus in the blood, is a much stronger predictor of the risk of transmission in women than in men, according to a study by researchers at the University of Alabama at Birmingham (UAB).
Details of the study were published in the journal AIDS Research and Human Retroviruses.
"Although we've known that high viral loads are associated with a person's risk of transmission, it appears that women with high viral loads are much more contagious than men with high viral loads," says Dr. Susan Allen, associate professor of epidemiology and international health with the School of Public Health at UAB. In the United States, heterosexual transmissions of HIV represent a rapidly increasing number of new infections. And in sub-Saharan Africa, where the study was conducted, heterosexual transmission is the primary means by which the virus is spread.
The study followed 1022 heterosexual couples for periods of two to 67 months over the course of six years. Couples enrolled in the Zambia-UAB HIV Research Project in Lusaka, Zambia, received counseling, free condoms and primary health care. In 162 couples, the infected partner transmitted the disease to the initially uninfected partner.
On average, those who transmitted the disease had significantly higher levels of virus in the blood than those who did not transmit the disease. However, women who ...
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Source: HighBeam Research, Gender Makes A Difference In Risk Of HIV Transmission.