Nearly 1,500 initial volunteers for Oxford Covid vaccine given wrong doses, reveals letter

In a shocking revelation, documents have shown nearly 1,500 initial volunteers in a late-stage clinical trial of the Oxford/AstraZeneca COVID-19 vaccine in London were given wrong doses. The volunteers, however, were not informed about the blunder, even after it came to the knowledge of the authorities. A letter accessed by Reuters states participants were given about a half-dose due to a measuring mistake by Oxford researchers.

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