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Sexual transmission news

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Infectiousness and treatment as prevention
Plasma, cervical HIV load often discordant in 481-woman US group

Plasma and cervical viral load were discordant (one detectable, the other not) in almost half of 959 clinic visits made by HIV-positive US women. Because it reduces plasma HIV load, combination antiretroviral therapy (ART) proved the most reliable predictor of cervicovaginal shedding.

Published
09 May 2012
From
International AIDS Society
Contraception
South Africa: Injectable contraceptive under review

South Africa’s most commonly used injectable contraceptive could be phased out and replaced with other long-term birth control methods.

Published
08 May 2012
From
City Press
Infectiousness and treatment as prevention
Semen goes viral – or does it?

If you have an undetectable viral load, is your semen undetectable too? Researchers say it may not be. But what’s the likelihood of actual HIV transmission? And how should we process that risk? Bob Leahy reports.

Published
24 April 2012
From
Positive Lite
Contraception
No significant link between injectable contraceptives and HIV risk, but questions still remain

Two studies presented at the International Microbicides Conference this week failed to completely dispel the association between injectable contraceptives and an increased risk of acquiring HIV. The field of HIV

Published
18 April 2012
By
Gus Cairns
Infectiousness and treatment as prevention
Many men with undetectable HIV in blood still have low levels in their semen, studies find

A study of 101 gay men at the Fenway Health HIV clinic in Boston, USA (Politch) has found that a quarter of men with undetectable

Published
02 April 2012
By
Gus Cairns
Infectiousness and treatment as prevention
Understanding Risk: A Conversation

Editor Bob Leahy interviews CATIE’s James Wilton about the tricky topic of communicating risk in the age of undetectable viral load.

Published
22 March 2012
From
PositiveLite
Safer sex
Serosorting does help prevent HIV – up to a point

A meta-analysis of HIV-negative gay men’s sexual behaviour and HIV incidence rate in four HIV prevention studies, presented earlier this month at the 19th Conference on Retroviruses

Published
19 March 2012
By
Gus Cairns
Sexual transmission
Infection with M. genitalium may double African women's HIV risk

A common sexually transmitted bacterial infection more than doubles the risk of HIV infection in African women, reports a study in the March issue of AIDS.

Published
09 March 2012
From
News Medical
Microbicides
Tenofovir rectal microbicide safe; may have direct effect on tissues as well as virus

A gel containing 1% tenofovir formulated specifically for rectal use was much better tolerated than gels used in previous rectal microbicide trials when used in a safety

Published
07 March 2012
By
Gus Cairns
Epidemiology and behaviour
Substantial number of HIV infections in UK-born patients acquired abroad

A substantial number of HIV infections in UK-born individuals were acquired abroad, investigators report in HIV Medicine. Overall, 15% of HIV infections in UK nationals were probably

Published
22 February 2012
By
Michael Carter
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