Empty white plastic serum transport box labelled, ‘ELISA serum COV0001 Box II’ and empty pink plastic serum transport box labelled, ‘COV002 Box 85 Newcastle Serum Retain 1+2 1.8ml’, from the Centre for Clinical Vaccinology and Tropical Medicine (CCVTM), used during the clinical trials of the ChAdOx1 nCoV-19, Oxford/AstraZeneca COVID-19 vaccine by the Oxford Vaccine Group, the Jenner Institute and the Centre for Clinical Vaccinology and Tropical Medicine Serum transport boxes used in COVID-19 vaccine trials 2015-2020