1. Laboratory of Virology, National Institute for Infectious Diseases Lazzaro Spallanzani IRCCS Rome Italy
2. Clinical and Research Infectious Diseases Department, National Institute for Infectious Diseases Lazzaro Spallanzani IRCCS Rome Italy
3. Health Direction, National Institute for Infectious Diseases Lazzaro Spallanzani IRCCS Rome Italy
4. North‐Western Tuscany Blood Bank Pisa University Hospital Pisa Italy
5. Scientific Direction, National Institute for Infectious Diseases Lazzaro Spallanzani IRCCS Rome Italy