RESEARCH ARTICLE Novel coronavirus-like particles targeting cells lining the respiratory tract Antonina Naskalska1*, Agnieszka Dabrowska2, Paulina Nowak2, Artur Szczepanski2, Krzysztof Jasik3, Aleksandra Milewska1,2, Marek Ochman4, Slawomir Zeglen4, Zenon Rajfur5, Krzysztof Pyrc1,2* 1 Malopolska Centre of Biotechnology, Jagiellonian University, Krakow, Poland, 2 Microbiology Department, Faculty of Biochemistry, Biophysics and Biotechnology, Jagiellonian University, Krakow, Poland, 3 Department of Skin Structural Studies, Medical University of Silesia in Katowice, School of Pharmacy with the Division of Laboratory Medicine, Sosnowiec, Poland, 4 Department of Cardiac Surgery and Transplantology, Silesian Center for Heart Diseases, Zabrze, Poland, 5 Institute of Physics, Faculty of Physics, Astronomy and Applied Computer Sciences, Jagiellonian University, Krakow, Poland *