Risk and protective factors for SARS-CoV-2 reinfections, surveillance data, Italy, August 2021 to March 2022 Sacco, Chiara and Petrone, Daniele and Del Manso, Martina and Mateo-Urdiales, Alberto and Fabiani, Massimo and Bressi, Marco and Bella, Antonino and Pezzotti, Patrizio and Rota, Maria Cristina and Riccardo, Flavia and on behalf of the Italian Integrated Surveillance of COVID-19 study group, Eurosurveillance, 27, 2200372 (2022), https://doi.org/10.2807/1560-7917.ES.2022.27.20.2200372