Long-term COVID-19 vaccine- and Omicron infection-induced humoral and cell-mediated immunity - Belik, Milja; Reinholm, Arttu; Kolehmainen, Pekka; Heroum, Jemna; Maljanen, Sari; Altan, Eda; Österlund, Pamela; Laine, Larissa; Ritvos, Olli; Pasternack, Arja; Naves, Rauno A.; Iakubovskaia, Alina; et al. (Frontiers in Immunology, 2024)