Collatuzzo G, Mansour I, Ciocan C, Ditano G, Godono A, Rossello P, Coggiola M, Pira E, Boffetta P, Working Group on Sars-Cov-2 prevention. Effectiveness of prevention of SARS-CoV-2 transmission among unvaccinated Italian healthcare workers. Med Lav [Internet]. 2022 Dec. 7 [cited 2023 Nov. 28];113(6):e2022050. Available from: https://www.mattioli1885journals.com/index.php/lamedicinadellavoro/article/view/13577