Title Item Type No Grouping Chapman, LAC; Barnard, RC; Russell, TW; Abbott, S; Van Zandvoort, K; Davies, NG and Kucharski, AJ (2021). Unexposed populations and potential COVID-19 burden in European countries as of 21st November 2021. [Dataset]. Zenodo. https://doi.org/10.5281/zenodo.5772162