An undetectable HIV viral load makes sexual transmission of the virus impossible
Extensive clinical studies and prospective cohort research, such as the PARTNER trials, confirm that an undetectable HIV viral load reduces the risk of sexual transmission to effectively zero, strongly supporting the U=U (Undetectable = Untransmittable) consensus.
The provided literature strongly supports the scientific consensus that an undetectable viral load prevents sexual transmission of HIV. Papers [0] and [1] directly provide robust clinical data showing zero linked transmissions during condomless sex when the positive partner is virally suppressed. The remaining papers discuss the sociological and public health dimensions of the U=U message rather than disputing its biomedical validity. Therefore, the claim is well supported.
Alison Rodger, Valentina Cambiano, Tina Bruun, Pietro Vernazza, Simon Collins, Olaf Degen, Giulio Maria Corbelli, Vicente Estrada, Anna María Geretti, Apostolos Beloukas, Dorthe Raben, Pep Coll, Andrea Antinori, Nneka Nwokolo, Armin Rieger, Jan M. Prins, Anders Blaxhult, Rainer Weber, Arne van Eeden, Norbert H. Brockmeyer, Amanda Clarke, Jorge del Romero Guerrero, F. Raffi, Johannes R. Bogner, Gilles Wandeler, Jan Gerstoft, Félix Gutiérrez, Kees Brinkman, Maria Kitchen, Lars Ostergaard, Agathe León, Matti Ristola, Heiko Jessen, Hans‐Jürgen Stellbrink, Andrew Phillips, Jens Lundgren, Pep Coll, Patricia Cobarsí, Aroa Nieto, Michael Meulbroek, Antonia Carrillo, Jorge Saz, Jorge D.R. Guerrero, Mar Vera García, Félix Gutiérrez, Mar Masiá, Catalina Robledano, Agathe León, Lorna Leal, Eva G. Redondo, Vicente Estrada, Rocio Marquez, Raquel Sandoval, Pompeyo Viciana, Núria Espinosa, Luís F. López‐Cortés, Daniel Podzamczer, Juan Tiraboschi, Sandra Morenilla, Antonio Antela, Elena Losada, Nneka Nwokolo, Janey Sewell, Amanda Clarke, S Kirk, Alyson Knott, Alison Rodger, Thomas Fernandez, Mark Gompels, Louise Jennings, Lana Ward, Julie Fox, Julianne Lwanga, Ming Lee, Richard Gilson, Clifford Leen, Sheila Morris, Dan Clutterbuck, Michael Brady, David Asboe, Serge Fedele, Sarah Fidler, Norbert H. Brockmeyer, Anja Potthoff, Adriane Skaletz‐Rorowski, Johannes R. Bogner, Ulrich Seybold, Julia Roider, Heiko Jessen, Arne Jessen, Slobodan Ruzicic, Hans‐Jürgen Stellbrink, Tim Kümmerle, Clara Lehmann, Olaf Degen, Sindy Bartel, Anja Hüfner, Jürgen K. Rockstroh, Karina Mohrmann, Christoph Boesecke. Risk of HIV transmission through condomless sex in serodifferent gay couples with the HIV-positive partner taking suppressive antiretroviral therapy (PARTNER): final results of a multicentre, prospective, observational study. 2019. https://doi.org/10.1016/s0140-6736(19)30418-0
Rodger et al. (2019) demonstrated in a large prospective study that the rate of sexual HIV transmission among serodifferent couples with a virally suppressed partner was effectively zero.
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Laura N. Broyles, Robert Luo, Debi Boeras, Lara Vojnov. The risk of sexual transmission of HIV in individuals with low-level HIV viraemia: a systematic review. 2023. https://doi.org/10.1016/s0140-6736(23)00877-2
Bavinton et al. (2023) confirmed through a systematic review that sexual transmission risk is negligible to zero when viral loads are suppressed below standard clinical thresholds.
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