ITV News Science Editor Tom Clarke reports from the lab behind the AstraZeneca vaccine Current vaccines may work against new variants - but scientists are hurrying to update them just in case they don't. I'm standing in the middle of a very ordinary looking laboratory at Oxford University. It has the usual collection cabinets, freezers and incubators used for the study of molecular biology. But this unremarkable lab will likely feature in the history of the Covid-19 pandemic. Science Editor Tom Clarke goes 'inside' a human cell to demonstrate how vaccines protect against new variants play-icon Created with Sketch. It was here that one of the first vaccines against Covid was created - the Oxford/AstraZeneca jab.