From: SARS-CoV-2 specific serological pattern in healthcare workers of an Italian COVID-19 forefront hospital
Non-HCWs
HCWs
p-value
IgG, n (95% CI)
0/5; 0.0%
15/197; 7.6% (4.1–11.7%)
1.00
IgM, n (95% CI)
29/197; 14.7% (9.8–19.6%)
0.38