Undetectable = Untransmittable (U=U) is a message used in HIV campaigns. It means that if someone has an undetectable viral load, they cannot sexually transmit HIV to others. U=U is supported by numerous health groups and organisations worldwide, including the World Health Organization (WHO). The validity of U=U has been proven through many clinical trials involving thousands of couples. U=U is also used as an HIV prevention strategy: if someone is undetectable, they can not pass it further and hence, prevents the virus from spreading. This is known as Treatment as Prevention (TasP). More information...
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