This genetic material is then naturally absorbed by cells which it forces to produce the 'spike' proteins found on the outside of the virus. More than 1,000 pages of data had been examined, she said. The Oxford researchers, in turn, said their vaccine was found to be safe, with three out of the roughly 23,700 participants experiencing serious conditions that were possibly related to either the COVID-19 vaccine or a standard meningitis vaccine given to a control group. A dosing error in Oxford's trial found that people given 1.5 doses of the vaccine instead of two whole ones developed a much higher level of protection against Covid-19  90 per cent compared to 62 per cent. This makes it look like the coronavirus and so triggers an immune response in the same way that being infected with the real thing would.
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