The first clinical trial in Europe for a potential COVID-19 vaccine has begun in Oxford, with two participants injected out of an anticipated 800 recruited for the study, reported BBC News.
Half will receive the experimental COVID-19 vaccine, while the other half will get a control vaccine which protects against meningitis, but not coronavirus.
The vaccine was developed in under three months by a team at Oxford University, with Sarah Gilbert, professor of vaccinology at the Jenner Institute, leading the pre-clinical research.
Gilbert previously said she was "80% confident" the vaccine would work, but now prefers not to put a figure on it, saying simply she is "very optimistic" about its chances.
Scientists there hope to have one million doses ready by September, and to dramatically scale up manufacturing after that, should the vaccine prove effective.
However, Gilbert says that has not been decided yet, adding "it's not really our role to dictate what will happen, we just have to try to get a vaccine that works and have enough of it and then it will be for others to decide."
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