1. National Reference Laboratory for Arboviruses, Department of Infectious Diseases, Istituto Superiore di Sanità, 00161 Rome, Italy
2. Unit of Vector-Borne Diseases and International Health, Department of Infectious Diseases, Istituto Superiore di Sanità, 00161 Rome, Italy
3. Microbiology and Molecular Epidemiology Division, Environmental Health Institute, 11, Biopolis Way, #06-05-08, Singapore 138667, Singapore
4. Istituto Zooprofilattico Sperimentale delle Venezie, 35020 Legnaro, Italy