Koen B. Pouwels, Emma Pritchard, Philippa C. Matthews, Nicole Stoesser, David W. Eyre, Karina-Doris Vihta, Thomas House, Jodie Hay, John I. Bell, John N. Newton, Jeremy Farrar, Derrick Crook, Duncan Cook, Emma Rourke, Ruth Studley, Tim Peto, Ian Diamond, A. Sarah Walker and the COVID-19 Infection Survey Team: Impact of Delta on viral burden and vaccine effectiveness against new SARS-CoV-2 infections in the UK , in: medRxiv (August 24, 2021), https://doi.org/10.1101/2021.08.18.21262237.
The effectiveness of BNT162b2, ChAdOx1, and mRNA-1273 vaccines against new SARS-CoV-2 infections requires continuous re-evaluation, given the increasingly dominant Delta variant. The authors investigated the effectiveness of the vaccines in a large community-based survey of randomly selected households across the UK. Continue reading