The biology of HIV transmission: latest news

The biology of HIV transmission resources

  • Oral sex

    Many people enjoy giving and receiving oral sex – kissing, licking or sucking another person’s genitals.The risk of getting HIV from performing oral sex on...

    From: Factsheets

    Information level Level 2
  • Transmission and viral load

    An undetectable viral load shows that HIV treatment is working well and that there is very little HIV in body fluids.In this situation, the risk...

    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
  • HIV transmission

    The two main ways in which HIV is passed on are unprotected vaginal and anal sex.Condoms, PrEP and HIV treatment are effective ways of preventing...

    From: Factsheets

    Information level Level 2
  • 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
  • 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

The biology of HIV transmission features

The biology of HIV transmission 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

The biology of HIV transmission news from aidsmap

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The biology of HIV transmission news selected from other sources

  • Aspirin could help reduce HIV infections in women

    The major question posed by our study was this: as an anti-inflammatory drug, could Aspirin reduce the number of HIV target cells and make them less activated?

    22 November 2018 | The Conversation
  • HIV Risk Greatest During Follicular Phase of Menstrual Cycle

    The follicular phase of the menstrual cycle may be the most vulnerable time for HIV-1 acquisition in women—not the luteal phase, as previously thought—according to the results of a new study published online October 31 in The Journal of Infectious Diseases.

    16 November 2018 | Contagionlive.com
  • 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 | CTV
  • 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 | UNAIDS
  • 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 | Poz
  • 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
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  • Expands on the previous level, but also written in easy-to-understand plain language.
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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
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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.