Effect of hybrid immunity and bivalent booster vaccination on omicron sublineage neutralisation. Issue 1 (January 2023) - Hoffmann, Markus; Behrens, Georg M N; Arora, Prerna; Kempf, Amy; Nehlmeier, Inga; Cossmann, Anne; Manthey, Luis; Dopfer-Jablonka, Alexandra; Pöhlmann, Stefan