Table 3.

Prevalence of SARS-CoV-2 infection among HCWs, by center.

Center	N total	N positive	% Positive
Baria	516	14	2.7
Bologna	1339	78	5.8
Brescia	2404	535	22.2
Genoab	50	17	34.0
Pisa	1768	56	3.2
Turin	2126	143	6.7
Total	8203	843	10.3

^aExcluding 2451 HCWs and subcontract workers who were tested outside high-risk protocol (12 positive results; 0.5%).

^bMedical school faculty and residents, among 881 HCWs under surveillance.