NIAID review: HIV undetectable = untransmittable

HIV positive people with an undetectable viral load cannot sexually transmit HIV. That’s the unequivocal conclusion from one of the leading health agencies in the US.

logo for U equals U campaign Researchers from the National Institute of Allergy and Infectious Diseases (NIAID) undertook a review of recent research. Their conclusion is simple: Undetectable = Untransmittable (U=U). It’s the same message now backed by over 300 health agencies all around the world.

The results of the NIAID review were published yesterday in the Journal of the American Medical Association (JAMA). One of the reports co-authors is NIAID Director, Dr Anthony Fauci. He is widely regarded as one of the world’s leading HIV experts.

In a statement, NIAID called evidence for Undetectable = Untransmittable ‘overwhelming’. Not only does getting those diagnosed with HIV on to Antiretroviral Therapy (ART) ensure their long term health. But it also significantly reduces HIV transmission rates. This is because those with the virus suppressed in their body cannot pass it on.

The authors pointed to research that looked at over 77,000 examples of condomless sex between serodiscordant male couples. One half of the couple had HIV and the other did not. There was not a single transmission of the virus from the HIV positive person to the negative person.

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