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  2. HIV/AIDS - Wikipedia

    en.wikipedia.org/wiki/HIV/AIDS

    Globally, the most common mode of HIV transmission is via sexual contacts between people of the opposite sex; [18] however, the pattern of transmission varies among countries. As of 2017 [update] , most HIV transmission in the United States occurred among men who had sex with men (82% of new HIV diagnoses among males aged 13 and older and 70% ...

  3. HIV - Wikipedia

    en.wikipedia.org/wiki/HIV

    Sexual intercourse is the major mode of HIV transmission. Both X4 and R5 HIV are present in the seminal fluid, which enables the virus to be transmitted from a male to his sexual partner. The virions can then infect numerous cellular targets and disseminate into the whole organism.

  4. Pathophysiology of HIV/AIDS - Wikipedia

    en.wikipedia.org/wiki/Pathophysiology_of_HIV/AIDS

    The activation and proliferation of T cells that results from immune activation provides fresh targets for HIV infection. However, direct killing by HIV alone cannot account for the observed depletion of CD4 + T cells since only 0.01–0.10% of CD4 + T cells in the blood are infected. [citation needed]

  5. Wikipedia : Osmosis/HIV/AIDS

    en.wikipedia.org/wiki/Wikipedia:Osmosis/HIV/AIDS

    Male-to-male transmission is the most common mode of transmission in the US, and male-to-female is the most common mode in resource-limited settings. Although less common, female-to-male transmissions occur as well since HIV is present in the vaginal and cervical fluids of infected women.

  6. Pathogen transmission - Wikipedia

    en.wikipedia.org/wiki/Pathogen_transmission

    An infectious disease agent can be transmitted in two ways: as horizontal disease agent transmission from one individual to another in the same generation (peers in the same age group) [3] by either direct contact (licking, touching, biting), or indirect contact through air – cough or sneeze (vectors or fomites that allow the transmission of the agent causing the disease without physical ...

  7. Women and HIV/AIDS - Wikipedia

    en.wikipedia.org/wiki/Women_and_HIV/AIDS

    The two major modes of transmission to women are heterosexual sexual intercourse and intravenous drug use. [13] Women can transmit the HIV/AIDS virus to other women through sexual intercourse. [14] However, the U.S. does not statistically categorize HIV/AIDS transmission in forms other than heterosexual, intravenous drug, or indefinable ...

  8. Epidemiology of HIV/AIDS - Wikipedia

    en.wikipedia.org/wiki/Epidemiology_of_HIV/AIDS

    Since 2015, HIV infections have decreased 8%, with 30,635 new cases reported in 2020. The highest incidence rates have continued to be measured in the South, with approximately 13% of the population unaware of their HIV status. [83] The most frequent mode of transmission of HIV continues to be through male homosexual sexual relations.

  9. Management of HIV/AIDS - Wikipedia

    en.wikipedia.org/wiki/Management_of_HIV/AIDS

    The 'Swiss Statement' of 2008 described the chance of transmission as 'very low' or 'negligible,' [85] but multiple studies have since shown that this mode of sexual transmission is impossible where the HIV-positive person has a consistently undetectable viral load.