Infection Rate of Respiratory Viruses in the Pandemic SARS-CoV-2 Period Considering Symptomatic Patients: Two Years of Ongoing Observations oleh Gaetana Costanza, Pierpaolo Paba, Marco Ciotti, Domenico Ombres, Stefano Di Carlo, Fabbio Marcuccilli, Ada Bertoli, Loide Di Traglia, Marcello Mozzani, Lucia Piredda, Vita Petrone, Marialaura Fanelli, Carla Paganelli, Barbara Cortese, Emanuela Balestrieri, Sergio Bernardini, Massimo Andreoni, Claudia Matteucci, Antonella Minutolo, Sandro Grelli