The Oxford/AstraZeneca vaccine will be tested in a new trial after questions over its data
However, the 90% claim came into question after it was pointed out the vaccine’s overall efficacy was 62 to 70% in trials in Brazil and in the UK, while the 90% figure was reached only among fewer than 3,000 UK participants who were given a lower dose as a result of an error. Researchers can’t […]
