Serological responses and vaccine effectiveness for extended COVID-19 vaccine schedules in England.
Amirthalingam G, Bernal JL, Andrews NJ, Whitaker H, Gower C, Stowe J, Tessier E, Subbarao S, Ireland G, Baawuah F, Linley E, Warrener L, O’Brien M, Whillock C, Moss P, Ladhani SN, Brown KE, Ramsay ME