Relative effectiveness of bivalent Original/Omicron BA.4-5 mRNA vaccine in preventing severe COVID-19 in persons 60 years and above during SARS-CoV-2 Omicron XBB.1.5 and other XBB sublineages circulation, Italy, April to June 2023
Fabiani, Massimo and Mateo-Urdiales, Alberto and Sacco, Chiara and Rota, Maria Cristina and Fotakis, Emmanouil Alexandros and Petrone, Daniele and Del Manso, Martina and Siddu, Andrea and Stefanelli, Paola and Bella, Antonino and Riccardo, Flavia and Rezza, Giovanni and Palamara, Anna Teresa and Brusaferro, Silvio and Pezzotti, Patrizio and on behalf of the Italian Integrated Surveillance of COVID-19 study group and of the Italian COVID-19 Vaccines Registry group, Eurosurveillance, 28, 2300397 (2023), https://doi.org/10.2807/1560-7917.ES.2023.28.32.2300397