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A Covid Vaccine

At the heart of Oxford’s effort to produce a Covid vaccine are half a dozen scientists who between them brought decades of experience to the challenge of designing, developing, manufacturing and trialling a safe vaccine at breakneck speed.
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By the beginning of April, Oxford had enough vaccine to launch clinical trials. Andrew Pollard, the head of the Oxford vaccine group, who has spent 20 years running clinical trials, prepared and oversaw them. His team worked with doctors at 19 trial sites around the UK and six each in Brazil and South Africa to get the trials done. That month, the first shots went into volunteers.
Today, seven months later, the scientists can say that it works.

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