Serological responses to COVID-19 Comirnaty booster vaccine, London, United Kingdom, September to December 2021 Ireland, Georgina and Whitaker, Heather and Ladhani, Shamez N and Baawuah, Frances and Subbarao, Sathyvani and Linley, Ezra and Warrener, Lenesha and O’Brien, Michelle and Whillock, Corinne and Martin, Oliver and Moss, Paul and Ramsay, Mary E and Amirthalingam, Gayatri and Brown, Kevin E, Eurosurveillance, 27, 2101114 (2022), https://doi.org/10.2807/1560-7917.ES.2022.27.1.2101114