Welcome to this section dedicated to U=U. Undetectable equals untransmittable. This means that people living with HIV who achieve and maintain an undetectable viral load by taking antiretroviral therapy (ART) daily as prescribed cannot sexually transmit the virus to others. This scientific consensus is a powerful message of hope and an important step in fighting stigma. On this page, you’ll find a comprehensive list of resources, including links to other websites and embedded videos, to help you understand U=U better. If you have any questions, feel free to contact Jim.