Funding
This research was supported by funds to National Institute for Infectious Diseases ‘Lazzaro Spallanzani’ IRCCS from Ministero della Salute (Ricerca Corrente, linea 1; COVID-2020 - 12371817), the European Commission – Horizon 2020 (EU project 101003544 – CoNVat; EU project 101003551 – EXSCALATE4CoV; EU project 101005111 - DECISION; EU project 101005075 - KRONO) and the European Virus Archive – GLOBAL (grants no. 653316 and no. 871029).