Online SARS-CoV-2 coronavirus exposure questionnaire screenshot of question B4.1-B4.2

This resource can be downloaded or viewed using the link: c19sero_exposure_b4.1_b4.2.png

If you have wget available (typically on linux systems), then you can also obtain a copy using the command

 wget  -nd  biobank.ndph.ox.ac.uk/ukb/ukb/images/c19sero_exposure_b4.1_b4.2.png