Decreased severity of the Omicron variant of concern: further evidence from Italy

Affiliations

• ¹ Department of Biosciences, University of Molise, Campobasso, Italy.
• ² Department GEPLI, Libera Università Maria Ss Assunta, Rome, Italy.
• ³ Department of Economics and Finance, University of Rome "Tor Vergata", Rome, Italy.
• ⁴ Department of Statistical Sciences, University of Rome "La Sapienza", Rome, Italy.
• ⁵ Department of Economics, Management and Statistics, University of Palermo, Palermo, Italy; Department of Epidemiology and Public Health, Swiss TPH Basel, Basel, Switzerland.
• ⁶ Department of Medicine, Unit of Medical Statistics and Molecular Epidemiology, University Campus Bio-Medico of Rome, Rome, Italy.
• ⁷ Department GEPLI, Libera Università Maria Ss Assunta, Rome, Italy; Department of Mathematics, University of Bergen, Bergen, Norway. Electronic address: a.maruotti@lumsa.it.