How transmission occurs: latest news

How transmission occurs resources

  • Sex

    Having HIV can affect people’s feelings about sex in many different ways. Some people become anxious about passing HIV on, or feel less desirable. While some people go...

    From: Booklets

    Information level Level 2
  • Sexual transmission of HIV

    HIV can be passed on from one person to another during sex. How likely it is that this will happen during one sexual act varies, depending on...

    From: Living with HIV

    Information level Level 2
  • Oral sex

    Many men and women find oral sex an intensely pleasurable experience. People use different terms to refer to oral sex (including formal terms like fellatio...

    From: Factsheets

    Information level Level 2
  • Transmission and viral load

    There is less risk of passing on HIV if your viral load is undetectable because you are taking anti-HIV drugs. Not all scientists agree on...

    From: The basics

    Information level Level 1
  • Transmission facts

    HIV can only be passed on when one person's body fluids get inside another person. HIV can be passed on during sex without a condom,...

    From: The basics

    Information level Level 1
  • Risk

    An examination of prosecuted behaviours, using scientific evidence to determine actual risk, and how this evidence has been applied in jurisdictions worldwide....

    From: HIV & the criminal law

    Information level Level 4
  • How transmission occurs

    HIV can be transmitted through – and, as far as essentially all evidence shows, only through – several well-established routes: By sharing injecting equipment By...

    From: HIV transmission & testing

    Information level Level 4

How transmission occurs features

How transmission occurs in your own words

  • Bored and horny

    It’s Sunday afternoon and it’s raining. I’m bored and horny. However, I’ve got £20 left over from the night before and this will be enough...

    From: In your own words

How transmission occurs news from aidsmap

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How transmission occurs news selected from other sources

  • The sexual and reproductive health issue you’ve probably never heard of….

    Why is one of the most common gynaecological conditions in sub-Saharan Africa, schistosomiasis, misunderstood, under-researched and under-reported? It is a significant risk factor for HIV acquisition in women.

    06 July 2015 | 50.50
  • PrEP data links anti-HIV immune response to reduce chance of infection

    "The rigor of the placebo-controlled iPrEx trial gave us access to the necessary data and specimens to address that question. What we found was what people have been looking for, for a long time - a correlation between future infection risk and a measureable immune response."

    23 June 2015 | Medical Xpress
  • UCLA research offers more evidence for possible link between cocaine use and HIV infection

    New UCLA research offers further evidence that cocaine use disrupts the immune system, making people who use it more likely to become infected with HIV.

    19 June 2015 | UCLA press release
  • Still refusing to date HIV+ guys? Here’s why you could be putting your health at risk

    Matthew Hodson, of UK-based gay men’s health charity, GMFA, explains why arguments for not having sex with gay men who are HIV positive make little sense – and could actually pose a danger for those who are HIV negative

    09 April 2015 | Gaystar News
  • Menopause linked to decreased anti-HIV activity

    Postmenopausal women’s cervicovaginal fluid had lower anti-HIV-1 activity than premenopausal women. Timing of menstrual cycle and hormonal contraception were not associated with differences in activity against HSV or HIV.

    30 March 2015 | 2 Minute Medicine
  • Cell-associated HIV mucosal transmission: The neglected pathway

    Dr. Deborah Anderson from Boston University School of Medicine and her colleagues are challenging dogma about the transmission of HIV. Most research has focused on infection by free viral particles, while this group proposes that HIV is also transmitted by infected cells. While inside cells, HIV is protected from antibodies and other antiviral factors. Anderson chides fellow researchers for not using cell-associated HIV in their transmission models: "The failure of several recent vaccine and microbicide clinical trials to prevent HIV transmission may be due in part to this oversight." . The Journal of Infectious Diseases (JID) has devoted their December supplement to this important and understudied topic.

    23 December 2014 | Medical News Today
  • Semen directly impairs effectiveness of microbicides that target HIV

    Most microbicides work by targeting the virus itself, attempting to break it down or blocking its ability to infect a cell. However, the heightened infectiousness of HIV in the presence of semen appears to over-power any anti-viral effects the microbicides possess. The one exception to this finding is a different type of microbicide that acts on the host cells' receptors, stopping the virus from latching on from within. In the current study, this microbicide, [containing the drug called] called Maraviroc, was equally effective in preventing infection both with and without the presence of semen.

    13 November 2014 | MedicalXpress
  • CDC Director Compares Ebola to AIDS. But How Similar Are They?

    CDC director Tom Frieden says this about Ebola: "The only thing like this has been AIDS." In fact, the two viruses share similarities but also have big differences.

    17 October 2014 | Poz magazine news
  • What we know about transmission of the Ebola virus among humans

    The Ebola virus is transmitted among humans through close and direct physical contact with infected bodily fluids, the most infectious being blood, faeces and vomit.

    08 October 2014 | World Health Organization
  • Are "Sugar Daddies" to Blame for HIV Transmission in Africa?

    It was long assumed that a major driver of the vastly greater prevalence of HIV infection in Zimbabwe, South Africa and other epicenters of the African HIV epidemic is intergeneratioal sex - sepcifically, young women having sexual realtionships with older "sugar daddies". Contrary to expectations, a recent high-quality, longitudinal study showed that participation in intergenerational sex did not impact the likelihood of contracting HIV infection.

    05 September 2014 | Scientific American
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Our information levels explained

  • Short and simple introductions to key HIV topics, sometimes illustrated with pictures.
  • Expands on the previous level, but also written in easy-to-understand plain language.
  • More detailed information, likely to include medical and scientific language.
  • Detailed, comprehensive information, using medical and specialised language.