Fig. 4From: Stringent thresholds in SARS-CoV-2 IgG assays lead to under-detection of mild infectionsIdeal (panel a) and actual (panel b) relationship between the probability of Covid-19 and antibody reading. The probability of Covid-19 in panel B was generated from a multivariable model containing risk factors including Covid-19 exposures in the community and at work, ethnicity, healthcare worker role and specialty area worked in [3]Back to article page