Trust the Evidence

Trust the Evidence

Why Observational Studies shouldn’t be used to assess Respiratory Virus Interventions - Part 2

The Long Read

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Tom Jefferson and Carl Heneghan
Feb 10, 2023
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We have seen how past observational studies of the SARS-CoV-1 epidemic gave implausible effect estimates while randomised trials gave more conservative estimates. However, there are other reasons spe…

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