Response to the Letter to the Editor on "Bacterial and fungal superinfections are detected at higher frequency in critically ill patients affected by SARS-CoV-2 infection than negative patients and are associated to a worse outcome". - De Francesco MA; Piva S; Pellizzeri S; Signorini L; Fumarola B; Corbellini S; Piccinelli G; Simonetti F; Carta V; Mangeri L; Padovani M; Vecchiati D; et al. (Journal of medical virology, 2023)