No substantial preexisting B cell immunity against SARS-CoV-2 in healthy adults oleh Meryem Seda Ercanoglu, Lutz Gieselmann, Sabrina Dähling, Nareshkumar Poopalasingam, Susanne Detmer, Manuel Koch, Michael Korenkov, Sandro Halwe, Michael Klüver, Veronica Di Cristanziano, Hanna Janicki, Maike Schlotz, Johanna Worczinski, Birgit Gathof, Henning Gruell, Matthias Zehner, Stephan Becker, Kanika Vanshylla, Christoph Kreer, Florian Klein