Giansante, Chiara, Elisa Stivanello, Vincenza Perlangeli, Filippo Ferretti, Paolo Marzaroli, Muriel Assunta Musti, Lorenzo Pizzi, Davide Resi, Simona Saraceni, and Paolo Pandolfi. 2021. “COVID-19 Vaccine Effectiveness Among the Staff of the Bologna Health Trust, Italy, December 2020-April 2021”. Acta Biomedica Atenei Parmensis 92 (4):e2021270. https://doi.org/10.23750/abm.v92i4.11896.