The Proteolytic Activity of Neutrophil-Derived Serine Proteases Bound to the Cell Surface Arming Lung Epithelial Cells for Viral Defense oleh Akmaral Assylbekova, Maiya Allayarova, Moldir Konysbekova, Amanbek Bekturgan, Aiya Makhanova, Samantha Brown, Norbert Grzegorzek, Hubert Kalbacher, Ruslan Kalendar, Timo Burster