Clinical Manifestations of Infections with the Omicron Sub-Lineages BA.1, BA.2, and BA.5: A Retrospective Follow-Up Analysis of Public Health Data from Mecklenburg-Western Pomerani... oleh Katja Verena Goller, Janine Ziemann, Christian Kohler, Karsten Becker, Nils-Olaf Hübner, on behalf of the CoMV-Gen Study Group