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GWMs: Still Too Many HIV Risks?

GWMs: Still Too Many HIV Risks?

Risky sexual behavior among members of a subset of the gay community is still adding to the spread of HIV. Research published in the open access journal BMC Infectious Diseases has found that young white gay men have an important contribution in the local spread of HIV.

Despite increased education and awareness of HIV in the Western world, the number of new infections continues to rise each year. To try and understand this phenomenon, researchers from Ghent University in Belgium compared the genetic information of viruses isolated from more than 500 patients — male and female, gay and straight, Caucasian and non-Caucasian — who were newly diagnosed at an HIV screening clinic between 2001 and 2009. Their aim was to pinpoint factors contributing to the local spread of HIV in order to inform the development of regional prevention strategies.

"Using genetic profiling techniques we were able to group viruses into 'clusters' of highly related variants," lead researcher Chris Verhofstede explains. "Clusters of viruses are indicative for the local onward transmission of this particular viral strain. We defined more and larger clusters among the HIV subtype B viruses compared to the non-B viruses. We also found that clustered viruses are more frequently isolated from young Caucasian men who have sex with men and who have a high prevalence of other sexually transmitted diseases."

In other words, it appears that a significant number of new HIV infections in the region occur as a result of high-risk behavior between young white gay men.

This finding confirms the results of epidemiological studies. Verhofstede and coworkers suggest further research to allow the design of more targeted prevention programs focused on this group.

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