Omicron infection increases IgG binding to spike protein of predecessor variants. - Mahalingam G; Periyasami Y; Arjunan P; Subaschandrabose RK; Mathivanan TV; Mathew RS; Devi RKT; Premkumar PS; Muliyil J; Srivastava A; Moorthy M; Marepally S (Journal of medical virology, 2023)