AUTHOR=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 , Barkoff Alex-Mikael , He Qiushui , Lempainen Johanna , Tähtinen Paula A. , Ivaska Lauri , Jalkanen Pinja , Julkunen Ilkka , Kakkola Laura TITLE=Long-term COVID-19 vaccine- and Omicron infection-induced humoral and cell-mediated immunity JOURNAL=Frontiers in Immunology VOLUME=15 YEAR=2024 URL=https://www.frontiersin.org/journals/immunology/articles/10.3389/fimmu.2024.1494432 DOI=10.3389/fimmu.2024.1494432 ISSN=1664-3224