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  1. Viral Suppression and an Undetectable Viral Load - HIV.gov

    Oct 24, 2025 · People with HIV who take HIV medicine as prescribed and get and keep an undetectable viral load will not transmit HIV to their HIV-negative partners through sex.

  2. Can You Spread HIV With an Undetectable Viral Load?

    Oct 12, 2025 · An undetectable HIV viral load is also called untransmittable (U=U), and that means as long as you keep taking your HIV medicine as prescribed, you wont spread HIV to your partner (s)...

  3. Taking antiretroviral medicines and having an undetectable viral load before and throughout pregnancy and delivery minimizes the risk of transmitting HIV to the infant during pregnancy.

  4. Undetectable = Untransmittable | Global HIV and TB | CDC

    Aug 19, 2024 · Studies have demonstrated that people living with HIV with an undetectable viral load cannot transmit HIV to sexual partners. This science, or treatment as prevention (TasP), is one of the …

  5. FAQ: If your viral load is undetectable, can you still pass the virus ...

    Aug 8, 2019 · The CDC reviewed these data and stated that, "People who take ART daily as prescribed and achieve and maintain an undetectable viral load have effectively no risk of sexually transmitting …

  6. Undetectable viral load: Transmission, risks, and tests

    May 26, 2023 · In this article, learn more about what having an undetectable viral load means, as well as how healthcare professionals test for it.

  7. HIV Undetectable=Untransmittable (U=U), or Treatment as Prevention

    May 21, 2019 · U=U means that people with HIV who achieve and maintain an undetectable viral load—the amount of HIV in the blood—by taking antiretroviral therapy (ART) daily as prescribed …

  8. Undetectable viral load and HIV transmission - Aidsmap

    As long as the number of copies is 200 or less, your viral load is low enough to be considered ‘undetectable’ and there is zero risk of HIV transmission during sex.

  9. Undetectable Viral Load and HIV Transmission Risk - Healthline

    Sep 12, 2018 · According to the Centers for Disease Control and Prevention (CDC), a person with an undetectable viral load has “effectively no risk” of sexually transmitting HIV.

  10. HIV Treatment as Prevention | HIV Partners | CDC

    Oct 24, 2024 · Getting and keeping an undetectable viral load is the best thing people with HIV can do to stay healthy. Reducing the amount of virus in the body prevents transmission to others through sex …