Visci, G.; Zunarelli, C.; Violante, F.; Boffetta, P. One Year of SARS-CoV-2 Pandemic: Comparison of Infection Between Health Care Workers and General Population before and After Vaccination. Med Lav 2021, 112 (6), 436-443. https://doi.org/10.23749/mdl.v112i6.12213.