Antibodies in serum of convalescent patients following mild COVID‐19 do not always prevent virus‐receptor binding. Issue 3 (27th August 2020) - Gattinger, Pia; Borochova, Kristina; Dorofeeva, Yulia; Henning, Rainer; Kiss, Renata; Kratzer, Bernhard; Mühl, Bernhard; Perkmann, Thomas; Trapin, Doris; Trella, Martina; Ettel, Paul; Tulaeva, Inna; et al.