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Canonical Source · meta analysis
This page documents how this source is reused across Claim by Claim. A source can support, challenge, qualify or contextualize different claims; appearing here does not imply endorsement of every linked proposition.
Evidence context
Evidence roles describe what this source helps establish inside each Investigation. They are local to that use, not permanent labels attached to the publication itself.
Investigation
A meta-analysis summed 1,256,407 cohort study enrollments and did not show increased autism risk from vaccination, MMR, thimerosal or vaccine-related mercury; two Danish historical cohorts covered overlapping birth-year ranges, so individual participant uniqueness of this sum is unverified.
Subject families