ANTEA TOPIĆ1*, ROK ČIVLJAK1,2, IVA BUTIĆ3, MARIJA GUŽVINEC3 and ILIJA KUZMAN1,2 1Department of Acute Respiratory Diseases, University Hospital for Infectious Diseases „Dr. Fran Mihaljević“, Zagreb, Croatia 2University of Zagreb School of Medicine, Zagreb, Croatia 3Department of Microbiology, University Hospital for Infectious Diseases „Dr. Fran Mihaljević“, Zagreb, Croatia *C...