Effectiveness of the Comirnaty (BNT162b2, BioNTech/Pfizer) vaccine in preventing SARS-CoV-2 infection among healthcare workers, Treviso province, Veneto region, Italy, 27 December 2020 to 24 March 2021 Fabiani, Massimo and Ramigni, Mauro and Gobbetto, Valentina and Mateo-Urdiales, Alberto and Pezzotti, Patrizio and Piovesan, Cinzia, Eurosurveillance, 26, 2100420 (2021), https://doi.org/10.2807/1560-7917.ES.2021.26.17.2100420