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  • Why the immune system fails to kill HIV

    Our immune system contains CD8+ T cells which protect us from various diseases such as cancer and viruses. Some of them are specifically tasked with killing cells infected with the HIV virus – and researchers from Karolinska Institutet, together with international colleagues, have for the first time identified a key explanation for why these cells are unsuccessful in their task. In simple terms, the immune system's ignition keys have not been turned all the way to the start position, which would enable the CD8+ T cells to kill the cells infected with HIV.

    19 July 2014 | Karolinska Institutet press release
  • Paper explores new theory on spread of HIV by "popular" cells

    "Popular" cells - could there really be such a thing? According to a new opinion paper published in PLoS Pathogens, the human body may contain cells that have more contact with other cells and could be "superspreaders" of the HIV virus.

    11 June 2014 | HIV / AIDS News From Medical News Today
  • Researchers trace HIV adaptation to its human host

    In a new study that traces the evolution of HIV in North America, researchers have found evidence that the virus is slowly adapting over time to its human hosts. However, this change is so gradual that it is unlikely to have an impact on vaccine design.

    11 June 2014 | Science Daily
  • Treating Leaking Gut May Slow Progression of HIV Disease

    A kidney disease treatment successfully compensated for the effects of a leaking gut among monkeys infected with the simian version of HIV.

    11 June 2014 | AIDSMeds
  • Low cholesterol in immune cells tied to slow progression of HIV

    People infected with HIV whose immune cells have low cholesterol levels experience much slower disease progression, even without medication, according to University of Pittsburgh Graduate School of Public Health research that could lead to new strategies to control infection.The Pitt Public Health researchers found that low cholesterol in certain cells, which is likely an inherited trait, affects the ability of the body to transmit the virus to other cells.

    29 April 2014 | Eurekalert Inf Dis
  • 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
  • How HIV Destroys Immune Cells

    HIV leads to AIDS primarily because the virus destroys essential immune cells called CD4 T cells, but precisely how these cells are killed has not been clear. Two papers published simultaneously today (19 December) in Nature and Science reveal the molecular mechanisms that cause the death of most CD4 T cells in lymphoid tissues, the main reservoir for such cells, during infection.

    20 December 2013 | The Scientist
  • Aggressive HIV strain leads to faster AIDS development

    The new recombinant strain from West Africa speeds up the time taken from the infection stage to the development of AIDS, to around five years.

    28 November 2013 | UPI
  • Understanding a global epidemic: Why Africans with HIV are more susceptible to TB

    Yale researchers have identified a common genetic variant that makes people infected with HIV much more susceptible to tuberculosis (TB). The study is published in the online Early Edition of the Proceedings of the National Academy of Sciences.

    24 July 2013 | Yale University press release
  • GHANA: Mold Toxins Tied to AIDS Epidemic

    A new study has examined the impact of aflatoxins on the AIDS epidemic in Africa. Aflatoxins are poisons produced by aspergillus fungi that can be found on damp grains, nuts, and beans, usually in hot humid climates. They have also been found to be immunosuppressive, possibly causing increased immunosuppression in HIV-positive individuals.

    24 July 2013 | CDC National Prevention Information Network
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