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The biology of HIV transmission news


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Why Is HIV Not Spread By Mosquitos?

Have you ever wondered why mosquito-transmitted infections were responsible for shutting down the first attempt to build the Panama Canal (rampant yellow fever) or are able to kill hundreds of thousands of children (malaria) each year in Africa, yet no one has ever been infected with HIV from a mosquito bite?

03 October 2018
American Council on Science and Health
Anogenital Warts May Act as Portals for HIV Transmission

Significantly higher HIV-target cell concentrations are found in anogenital warts than in normal, site-matched skin, suggesting that anogenital warts may promote the sexual transmission of HIV, according to a study published in The Journal of Infectious Diseases.

16 September 2018
Infectious Disease Advisor
Study suggests aspirin reduces HIV target cells in women

Women who regularly take aspirin could significantly reduce inflammation associated with contracting HIV, new research finds. The pilot study, released Thursday, does not suggest that taking aspirin will prevent transmission of the disease. The research also did not factor in men.

10 August 2018
HIV transmission filmed live by French scientists

A team of French researchers has succeeded in filming HIV infecting a healthy cell. UNAIDS spoke to Morgane Bomsel, Research Team Director at the French National Center for Scientific Research (CNRS), about the feat.

29 May 2018
Zambia, South Africa prevention study finds those with herpes virus facing six times HIV risk

Communities’ HIV prevalence could be predicted “almost exactly” from prevalence of herpes virus, researchers find.

14 April 2018
Science Speaks
The Blesser's Curse

How sugar daddies and vaginal microbes created the world’s largest HIV epidemic.

23 March 2018
The Atlantic
How HIV Alters Cells May Facilitate Sexual Transmission of Hepatitis C

A new study identifies key changes that HIV makes to Langerhans cells in the mucosal lining of the rectum.

22 March 2018
Exploring Factors That Contribute to Increased Risk of HIV Infection in Transgender Women

Although transgender women's increased risk of HIV infection has been attributed to behavioral risk factors, Sandhya Vasan, MD, from the department of Retrovirology at the Armed Forces Research Institute of Medical Sciences (AFRIMS), in Bangkok, Thailand, shared that other factors may also impact the risk of infection, such as the effects that exogenous hormones have on the immune system and the impact that injectable fillers or sex reassignment surgery (SRS) has on immune reactivation.

06 March 2018
Contagion Live
Longstanding Mombasa Cohort helps answer questions about HIV risk and transmission

This month, Fred Hutchinson Cancer Research Center virologist Dr. Julie Overbaugh and her collaborators in Kenya and the U.S. celebrated the 25th anniversary of a unique group of HIV research participants — high-risk women in Mombasa, Kenya — who helped change the landscape of HIV transmission research.

28 February 2018
Fred Hutch
Genital inflammation reduces efficacy of tenofovir gel against HIV in women

The researchers performed a post hoc prospective analysis of 774 patients who participated in the Centre for the AIDS Program of Research In South Africa (CAPRISA) 004 study, a trial of topical tenofovir gel. McKinnon and colleagues measured concentrations of nine different proinflammatory cytokines from cervicovaginal lavages, and defined genital inflammation using a graduated cytokine store.

28 February 2018
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Community Consensus Statement on Access to HIV Treatment and its Use for Prevention

Together, we can make it happen

We can end HIV soon if people have equal access to HIV drugs as treatment and as PrEP, and have free choice over whether to take them.

Launched today, the Community Consensus Statement is a basic set of principles aimed at making sure that happens.

The Community Consensus Statement is a joint initiative of AVAC, EATG, MSMGF, GNP+, HIV i-Base, the International HIV/AIDS Alliance, ITPC and NAM/aidsmap

This content was checked for accuracy at the time it was written. It may have been superseded by more recent developments. NAM recommends checking whether this is the most current information when making decisions that may affect your health.

NAM’s information is intended to support, rather than replace, consultation with a healthcare professional. Talk to your doctor or another member of your healthcare team for advice tailored to your situation.