Viral Suppression: HIV Treatment, Undetectable Viral Load, and U=U
Viral suppression means HIV treatment has reduced the virus to a very low level, protecting health and preventing sexual transmission when viral load stays undetectable.
Undetectable Equals Untransmittable: HIV, U=U, and Sexual Health
Undetectable equals untransmittable, or U=U, means a person with HIV who maintains a sustained undetectable viral load does not sexually transmit HIV.