1 Laboratory of Virology, National Institute for Infectious Diseases, Lazzaro Spallanzani IRCCS, Rome 00149, Italy. Electronic address: francesca.colavita@inmi.it.
2 Clinical and Research Infectious Diseases Department, National Institute for Infectious Diseases, Lazzaro Spallanzani IRCCS, Rome 00149, Italy.
3 North-Western Tuscany Blood Bank, Pisa University Hospital, Pisa, Italy.
4 Scientific Direction, National Institute for Infectious Diseases, Lazzaro Spallanzani IRCCS, Rome 00149, Italy.
5 General Direction, National Institute for Infectious Diseases, Lazzaro Spallanzani IRCCS, Rome 00149, Italy.
6 Laboratory of Virology, National Institute for Infectious Diseases, Lazzaro Spallanzani IRCCS, Rome 00149, Italy.