[Factors associated with the risk of COVID-19 in health-care workers].

Background: Although healthcare personnel are considered a high-risk group for SARS-CoV-2 infection due to their exposure, research on the factors associated with their infection is limited. The objective was to identify factors associated with the acquisition of COVID-19 in healthcare personnel.

Methods: a multicenter, cross-sectional study with nested cases and controls was carried out in 23 hospitals in Argentina.