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A new report suggests that the concentration of one human cytokine, interleukin 7 (IL-7), in the semen of HIV-1-infected men may be a key determinant of the efficiency of HIV-1 transmission to an uninfected female partner.
07 March 2013 | EurekAlert (press release)
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Having suggested in 2011 that the urethra is a novel entry site for HIV, a team from the Institut Cochin has now confirmed this hypothesis and identified the cells and mechanisms brought into play: the immune system cells macrophages, present in the epithelium of the urethra, allow the entry of HIV.
04 March 2013 | News-Medical.net
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An immune system protein normally found in semen appears to enhance the spread of HIV to tissue from the uterine cervix, according to researchers at the National Institutes of Health.
11 February 2013 | US National Institutes of Health
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New research suggests that heterosexual couples in long-term relationships who have sexual encounters outside their established partnership (extra-couple relationships) are one of the main drivers of the HIV epidemic in sub-Saharan Africa.
05 February 2013 | Medical Xpress
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In a wide–ranging interview that poses difficult questions, Bob Leahy asks Toronto-based clinician/scientist Dr. Rupert Kaul about how can we interpret risk of HIV transmission in the age of undetectable viral load.
09 November 2012 | Positive Lite
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A new study has found that even though HIV diversifies widely within infected individuals over time, the virus strains that ultimately are passed on through heterosexual transmission often resemble the strain of virus that originally infected the transmitting partner. Learning the characteristics of these preferentially transmitted HIV strains may help advance HIV prevention efforts, particularly with regard to an HIV vaccine, according to the scientists who conducted the study.
25 September 2012 | Eurekalert Inf Dis
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The viral load surge with syphilis “implies that syphilis may increase the risk of HIV transmission,” the researchers propose, “even in patients receiving antiretroviral therapy and with a viral load of less than 500 copies/mL.”
25 September 2012 | International AIDS Society
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Unlike the flattening or even declining rates of HIV infection among nearly all other communities, the epidemic among gay men globally is rapidly expanding. But according to new research, the reason for this fast expansion is biological, not behavioural, thus countering some of the core priorities of traditional AIDS funding.
10 September 2012 | IPS
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Follow-up data from HIV Prevention Trials Network Study 052 (HPTN 052) show that HIV-serodiscordant couples, in which the positive partner is receiving antiretroviral (ARV) therapy, are no more likely to abandon safer sex practices over time.
24 July 2012 | POZ
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Findings of a national survey in Australia lay bare the need for sex education to be included in the national curriculum.
05 July 2012 | The Age
Get set for HIV treatmentA tool to help you decide whether you are ready to start taking HIV treatment.
HIV, GPs & other primary careThis booklet explains the services GPs offer, how this fits with HIV specialist care, and how to make the most of primary care services.
Treatment as prevention – free webinar 20 March 2013As
part of its European HIV prevention work, NAM is collaborating...
Microbicides research – free webinar 22 February 2013As
part of its European HIV prevention work, NAM is collaborating...
HIV treatment update – Winter 2013 21 February 2013The new edition of HIV treatment update (HTU) is on...