Claim: 86% of children suffered an adverse reaction to the Pfizer/BioNTech Covid-19 vaccine in clinical trials.
Fact-check: Figures about Pfizer side effects for children need more context - Full Fact
Verdict: this figure is correct, but ignores vital context. the adverse reaction in question was pain at the injection site, an extremely common side effect for many vaccines. most of the study participants  reported only mild or moderate pain.
Organisation: Full Fact
Author: Sarah Turnnidge
Date published: 2021-09-28T00:00:00