Davis, C., Logan, N., Tyson, G., Orton, R., Harvey, W., Haughney, J., … Willett, B. J. (2021, June 28). Reduced neutralisation of the Delta (B.1.617.2) SARS-CoV-2 variant of concern following vaccination. https://doi.org/10.1101/2021.06.23.21259327