Fig. 6From: The University of Padua salivary-based SARS-CoV-2 surveillance program minimized viral transmission during the second and third pandemic waveWeekly incidence of SARS-CoV-2 during the active surveillance program. The weekly incidence found in the two cohorts of employees (under surveillance or not) was shown in comparison with the population incidence for the Veneto region and the district of PaduaBack to article page