Robust antibody responses in 70-80-year-olds 3 weeks after the first or second doses of Pfizer/BioNTech COVID-19 vaccine, United Kingdom, January to February 2021.
Subbarao S, Warrener LA, Hoschler K, Perry KR, Shute J, Whitaker H, O’Brien M, Baawuah F, Moss P, Parry H, Ladhani SN, Ramsay ME, Brown KE, Amirthalingam G