Long-term humoral and cellular immunity after primary SARS-CoV-2 infection: a 20-month longitudinal study oleh Astrid Korning Hvidt, Huaijian Guo, Rebecca Andersen, Stine Sofie Frank Lende, Line Khalidan Vibholm, Ole Schmeltz Søgaard, Marianne Hoegsbjerg Schleimann, Victoria Russell, Angela Man-Wei Cheung, Eustache Paramithiotis, Rikke Olesen, Martin Tolstrup