Did COVID vaccine mandates work? What the data say - Nature.com

A measure of last resort got a major workout during the pandemic. Scientists are now trying to determine whether the benefits outweighed the potential damage to public trust.

A health-pass programme in France sparked weeks of angry protest last year.Credit: Sameer Al-Doumy/AFP/Getty For four weekends across July and August last year, around 200,000 protesters took to the… [+20290 chars]

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