Kinetics of immune responses to SARS-CoV-2 proteins in individuals with varying severity of infection and following a single dose of the AZD1222 by Jayathilaka, D, Jeewandara, C, Gomes, L, Jayadas, TTP, Kamaladasa, A, Somathilake, G, Guruge, D, Pushpakumara, PD, Ranasinghe, T, Aberathna, IS, Danasekara, S, Gunathilaka, B, Kuruppu, H, Wijewickrama, A, Wijayamuni, R, Schimanski, L, Tan, TK, Ogg, GS, Townsend, A, Malavige, GN