Impaired immunogenicity after vaccination for SARS-CoV-2 in patients with gastrointestinal cancer: does tumor entity matter?

Malte Benedikt Monin, Jens Gabriel Gorny, Moritz Berger, Leona I. Baier, Taotao Zhou, Robert Mahn, Farsaneh Sadeghlar, Christian Möhring, Christoph Boesecke, Kahtrin van Bremen, Gereon J. Rieke, Stefan Schlabe, Stefan Breitschwerdt, Milka Marinova, Ingo G. H. Schmidt-Wolf, Christian P. Strassburg, Anna-Maria Eis-Hübinger, Maria A. Gonzalez-Carmona