Commemorative glass block showing a visualisation of the COVID-19 virus “Cambridge COVID-19 Test Centre April 2020 – April 2021” and logos for AstraZeneca, Charles River, University of Cambridge, and GSK, with packaging, given to staff and volunteers to thank them for their contribution at Cambridge COVID-19 Test Centre, based at the Anne McLaren Building on the University of Cambridge Biomedical Campus, April 2020 - April 2021 Commemorative item celebrating the Cambridge COVID-19 Test Centre 2020