LONDON - The University of Oxford's possible COVID-19 vaccine could be rolled out by the end of the year but there is no certainty, the lead developer of the vaccine said on Tuesday.
"The end of the year target for getting vaccine roll-out, it's a possibility but there's absolutely no certainty about that because we need three things to happen," Sarah Gilbert told BBC Radio. England's Chief Medical Officer Chris Whitty and his deputy Jonathan Van-Tam took differing views on the potential timeline.
Van-Tam, however, said he was"cautiously optimistic that we will have some vaccine this side of Christmas."Although the deal with AstraZeneca has provided manufacturing capacity to do that, the lower prevalence of the novel coronavirus in Britain has complicated the process of proving its efficacy.
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