Sivo , Donato, Angela Russo, Chiara Maselli, Assunta Balzano, Donata Carelli, Pasquale Durante, Vincenzo Basile, et al. “Effects of Regular Testing As a Sort of Covid-19 Filter, by Identifying, Isolating and Thus Filtering Out Currently Infected Persons, Using Antigenic Tests Among Healthcare Workers in Three Hospitals in the South of Italy”. Journal of Advanced Health Care 3, no. 3 (January 29, 2021). Accessed July 4, 2024. https://www.jahc.it/index.php/jahc/article/view/179.