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Andrew Pollard, who is leading clinical trials of Oxford University's COVID-19 vaccine, said Wednesday there is a "small chance" the vaccine will be ready before December 25. he's "optimistic" that the vaccine, developed by the university and drug company AstraZeneca, will have late-stage trial results before the end of the year.It is one of two vaccine being constantly assessed — a so-called "rolling review" — by Europe's medicine regulator.
The vaccine, developed by Oxford University and AstraZeneca, is one of the world's leading vaccine candidates.
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