Two doses of SARS-CoV-2 vaccination induce robust immune responses to emerging SARS-CoV-2 variants of concern oleh Donal T. Skelly, Adam C. Harding, Javier Gilbert-Jaramillo, Michael L. Knight, Stephanie Longet, Anthony Brown, Sandra Adele, Emily Adland, Helen Brown, Medawar Laboratory Team, Tom Tipton, Lizzie Stafford, Alexander J. Mentzer, Síle A. Johnson, Ali Amini, OPTIC (Oxford Protective T cell Immunology for COVID-19) Clinical Group, Tiong Kit Tan, Lisa Schimanski, Kuan-Ying A. Huang, Pramila Rijal, PITCH (Protective Immunity T cells in Health Care Worker) Study Group, C-MORE/PHOSP-C Group, John Frater, Philip Goulder, Christopher P. Conlon, Katie Jeffery, Christina Dold, Andrew J. Pollard, Alex Sigal, Tulio de Oliveira, Alain R. Townsend, Paul Klenerman, Susanna J. Dunachie, Eleanor Barnes, Miles W. Carroll, William S. James