key: cord-293517-8derad2p authors: Fischer, Johannes C.; Zänker, Kurt; van Griensven, Martijn; Schneider, Marion; Kindgen-Milles, Detlef; Knoefel, Wolfram Trudo; Lichtenberg, Artur; Tamaskovics, Balint; Djiepmo-Njanang, Freddy Joel; Budach, Wilfried; Corradini, Stefanie; Ganswindt, Ute; Häussinger, Dieter; Feldt, Torsten; Schelzig, Hubert; Bojar, Hans; Peiper, Matthias; Bölke, Edwin; Haussmann, Jan; Matuschek, Christiane title: Correction to: The role of passive immunization in the age of SARS-CoV-2: an update date: 2020-10-30 journal: Eur J Med Res DOI: 10.1186/s40001-020-00449-8 sha: doc_id: 293517 cord_uid: 8derad2p An amendment to this paper has been published and can be accessed via the original article. High activity natural killer cell during target attack. Footprint of previously attached natural killer cell can be identified by patchy membrane residuals on the target cell surface. Green objects have the size of budding virus particles. When will NK-cells join the cellular immune cascade to fight SARS-CoV-2? The role of passive immunization in the age of SARS-CoV-2: an update Publisher's Note Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations Fischer et al. Eur J Med Res (2020) 25:53