Packaged Costar ® brand, Stripette®, serological pipette10ml made by Corning, of the type used for taking large volumes of vaccine production samples at the Clinical BioManufacturing Facility (CBF), University of Oxford during the early development for the ChAdOx1 nCoV-19, Oxford/AstraZeneca COVID-19 vaccine Serological pipette from University of Oxford's Clinical BioManufacturing Facility 2015-2020