[1] Univ Bologna, Alma Mater Studiorum, DIMES, Microbiol Sect, I-40138 Bologna, Italy
[2] Cent Lab Area Vasta Romagna, Microbiol Unit, Pievesestina Cesena, Italy
[3] Natl Inst Infect Dis INMI L Spallanzani, Rome, Italy
[4] Aix Marseille Univ, IRD French Inst Res Dev, EHESP French Sch Publ Hlth, UMR D Emergence Pathol Virales 190, Marseille, France
[5] APHM Publ Hosp Marseille, IHU Mediterranee Infect, Marseille, France
[6] Minist Publ Hlth Russia, Cent Res Inst Epidemiol, Moscow, Russia
[7] St Orsola Malpighi Univ Hosp, Reg Reference Ctr Microbiol Emergencies, Operat Unit Clin Microbiol, Bologna, Italy
[8] NERC Ctr Ecol & Hydrol, Wallingford, Oxon, England
[9] Robert Koch Inst, Ctr Biol Safety ZBS I, Berlin, Germany
[10] Aristotle Univ Thessaloniki, Sch Med, Dept Microbiol, GR-54006 Thessaloniki, Greece