Fig. 1
From: SARS-CoV-2 risk in household contacts of healthcare workers: a prospective cohort study
SARS-CoV-2-positivity in household contacts and in corresponding index healthcare workers by cumulative patient exposure. SARS-CoV-2 positivity in household contacts (red) and in corresponding index healthcare workers (grey), depending on cumulative patient exposure of healthcare workers. Black lines show graphs of linear regression analysis; shaded areas correspond to 95% confidence intervals