Undetectable Equals Untransmittable (U=U) FAQs | PULSE CLINIC - Asia's Leading Sexual Healthcare Network.

Undetectable Equals Untransmittable (U=U) FAQs

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Learn what U=U means in HIV care, how undetectable viral load prevents HIV transmission, and why HIV treatment is essential for long-term health.

Undetectable Equals Untransmittable (U=U) FAQs

No. A person living with HIV on antiretroviral therapy (ART) with an undetectable HIV viral load in their blood for at least six months has a negligible risk of transmitting HIV to a sexual partner. Negligible means: so small as to not be worth considering; insignificant. Therefore, HIV experts and health educators have described the transmission risk in public health communications as: "not transmittable", “no longer infectious”, "zero risk", "no infection risk", “do not transmit”, and “cannot transmit.”