Coggiola, M., G. Clemente, R. Frammartino, E. Grillo, A. Corradi, M. Corezzi, O. Kakaa, E. Paradisi, A. Tuffanelli, M. C. Alfonso Pensamiento, A. Godono, and E. Pira. “SARS-CoV-2 Infection: Efficacy of Extensive Vaccination of the Healthcare Workforce in a Large Italian Hospital”. La Medicina Del Lavoro | Work, Environment and Health, vol. 112, no. 6, Dec. 2021, pp. 465-76, doi:10.23749/mdl.v112i6.12124.