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Sir Patrick Vallance, the UK’s chief scientific adviser, has announced that 40% of people admitted to hospital with COVID in the UK have had two doses of a coronavirus vaccine. At first glance, this rings very serious alarm bells, but it shouldn’t. The vaccines are still working very well.
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The Oxford Centre for Evidence-Based Medicine (CEBM) develops, teaches, promotes and disseminates better evidence for healthcare.
What if the data I want are reported for the wrong group?
Data extraction tips for meta-analysis