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The biology of HIV transmission news


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Second analysis concludes that we can't eliminate the long-term possibility of HIV transmission from someone on treatment

A study that estimates the risk that someone living with HIV and taking antiretroviral therapy could transmit the virus reports that, on the basis of the

31 May 2014
Gus Cairns
Uganda's struggle with schistosomiasis

Efforts are underway to rid Uganda of the scourge of schistosomiasis but provision of clean water and good sanitation lags behind treatment efforts. The disease is linked to increased infection rates of HIV among girls.

16 May 2014
The Lancet
A Simple Theory, and a Proposal, on HIV in Africa

Norwegian researchers believe that African women are more vulnerable to H.I.V. because of a chronic, undiagnosed parasitic disease: genital schistosomiasis. Also known as bilharzia and snail fever, it is caused by parasitic worms picked up in infested river water. It is marked by fragile sores in the far reaches of the vaginal canal that may serve as entry points for H.I.V.

11 May 2014
New York Times
How a House Finch Disease Reshaped What We Know About Epidemics

One team of researchers was able to study a highly virulent disease in House Finches. Their recent paper in PLOS Biology sheds light on what makes some disease-causing microbes, or pathogens, more harmful than others.

30 January 2014
Cornell Lab of Ornithology
Bursting HIV’s bubble

HIV has a fatty outer membrane similar to that surrounding a living cell. This membrane probably acts like a balloon—in other words the pressure inside it is greater than the pressure outside it. That means it can be burst, which is what some scientists believe provides the driving force by which a virus injects its genetic material into a cell in order to infect it.

18 October 2013
The Economist
Cocaine May Fuel HIV Acquisition and Its Spread Between Cells

Cocaine may increase an individual’s likelihood of acquiring HIV, by stimulating a pair of receptors on inactive CD4 cells. The findings are limited by the fact that the research was not conducted in humans and also because typical cocaine users partake of the drug over a more extended period of time than in the experiment.

16 October 2013
Mass administration of schistosomiasis drug can cut HIV

Mass administration of praziquantel — a highly effective and low-cost drug for schistosomiasis treatment — targeting school-age children has the potential to reduce new HIV infections in young women, according to a modelling study that focused on Zimbabwe.

23 September 2013
Sci Dev Net
Analysis: In search of less a deadly syringe

To someone who has never injected illicit drugs, all syringes may look similar, but recent research out of the US shows differences in design can be “dramatic” and may slow the spread of HIV infections. Better syringe design could “nearly eradicate global HIV [injecting drug user-related] infections within eight years”, according to some.

12 September 2013
Levels of HIV-Target Macrophages in Rectum May Facilitate Infection

Rectal tissue contains more than 3 times as many macrophages vulnerable to HIV than does the colon, according to results of an in situ fluorescence study in healthy volunteers. The study also identified other important differences in HIV target cells between colon and rectum.

13 August 2013
International AIDS Society
Platelets block HIV

Infection biologists of the German Primate Center (DPZ) under the direction of Stefan Pöhlmann have found evidence that platelets (thrombocytes) might constitute an innate defense against infection with the human immunodeficiency virus (HIV).

24 July 2013
Medical Xpress

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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.