{"id":461343,"date":"2011-07-15T05:41:32","date_gmt":"2011-07-15T05:41:32","guid":{"rendered":"http:\/\/www.ghanamma.net\/2011\/07\/15\/hiv-risk-driven-by-number-of-partners-rather-than-concurrency\/"},"modified":"2011-07-15T05:41:32","modified_gmt":"2011-07-15T05:41:32","slug":"hiv-risk-driven-by-number-of-partners-rather-than-concurrency","status":"publish","type":"post","link":"https:\/\/www.ghanamma.com\/2011\/07\/15\/hiv-risk-driven-by-number-of-partners-rather-than-concurrency\/","title":{"rendered":"HIV Risk Driven By Number of Partners, Rather Than Concurrency"},"content":{"rendered":"
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Health-e<\/a> (Cape\u00a0Town)<\/p>\n

Kerry Cullinan<\/p>\n

15 July 2011<\/p>\n

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A person’s risk of HIV is driven more by how many sexual partners they have in their lifetime than whether they have more than one lover at a time.<\/p>\n

This is according to extensive research conducted over five years by scientists from the Africa Centre in Umkhanyakude district in rural KwaZulu-Natal. The results were published today (Friday 15 July) in the prestigious Lancet journal.<\/p>\n

Debate has raged for years about the role that concurrent sexual partnerships play in HIV transmission, with a number of experts arguing that multiple concurrent partnerships is a key driver of the epidemic in Africa.<\/p>\n

But according to Dr Frank Tanser, the study’s principal investigator: “Our results clearly demonstrate the impact of multiple partnering on the transmission of HIV but we find no evidence to suggest that sexual partnerships that overlap (concurrent) are playing a disproportionately large role in driving the high rate of new infections.”<\/p>\n

Tanser and his team followed 7000 women who were all HIV negative to begin with over five years. Almost 10 percent (693 women) became infected with HIV during the study.<\/p>\n

The researchers used questionnaires on sexual behaviour from almost 3000 men to inform their study. Close to three in 10 of these men reported having concurrent sexual relationships.<\/p>\n

Using innovative geographical mapping, the researchers plotted communities where men reported a high level of concurrent partners as well as these where men reported higher numbers of lifetime sexual partners.<\/p>\n

“The high rates of HIV infection were no different between communities with the highest levels of male concurrency and communities with low levels of concurrent partnerships,” said Tanser.<\/p>\n

In contrast, women living in areas where local men reported an increase in the average number of reported life-time partners had a significantly higher risk of becoming infected with HIV infection.<\/p>\n

However, the scientists noted that concurrent partners may have played an important role in the rapid spread of HIV during the early phase of the HIV epidemic.<\/p>\n

According to the Africa Centre, which is part of the University of KwaZulu-Natal, the results show that HIV prevention messages need to be clear and directed at reducing the number of sexual partners “irrespective of whether these partnerships overlap”.<\/p>\n

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