A tetravalent bispecific antibody outperforms the combination of its parental antibodies and neutralizes diverse SARS-CoV-2 variants

A Chiyyeadu, G Asgedom, M Bruhn, C Rocha, T U Schlegel, T Neumann, M Galla, P V Barbosa, M Hoffmann, K Ehrhardt, T C Ha, M Morgan, C T Schoeder, S Pöhlmann, U Kalinke, A Schambach