1. These authors contributed equally
2. Unit of Vector-borne Diseases and International Health, Department of Infectious, Parasitic and Immune-Mediated Diseases, Istituto Superiore di Sanità, Rome, Italy
3. National Reference Laboratory for Arboviruses, Department of Infectious, Parasitic and Immune-Mediated Diseases, Istituto Superiore di Sanità, Rome, Italy
4. European Programme for Public Health Microbiology Training (EUPHEM), Department of Infectious, Parasitic and Immune-Mediated Diseases, Istituto Superiore di Sanità, Rome, Italy
5. National Center for Epidemiology and Health Promotion, Istituto Superiore di Sanità, Rome, Italy