claim: covid-19 seroprevalence among healthcare workers of a large covid hospital in rome reveals strengths and limits of all different serological tests.
evidence_1: among low-risk population, point-of-cares predictive values were 58.33% (positive) and 98.23% (negative) whereas venous blood tests were 92.86% (positive) and 98.53% (negative).", "since fondazione policlinico universitario a. gemelli (fpg) irccs has been enlisted as a covid hospital, healthcare workers deployed to covid wards were separated from those with limited or no exposure, whereas administrative staff was destined to work-from-home.")