BBC: Oxford/AstraZeneca Covid vaccine ‘dose error’ explained

BBC: Oxford/AstraZeneca Covid vaccine ‘dose error’ explained. “On Thursday, multiple news outlets in the UK and US reported that there were questions over the data. They weren’t about safety, but rather how effective the jab is. The questions centre around efficacy levels. Three were reported from the trial – an overall efficacy of 70%, a lower one of 62% and a high of 90%. That’s because different doses of the vaccine were mistakenly used in the trial.”

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