according to their own figures, even the placebo has adverse reactions
Adverse event analyses during the blinded period are provided for 43,847 ≥16-year-olds. Reactogenicity events among participants not in the reactogenicity subset are reported as adverse events, resulting in imbalances in adverse events (30% vs 14%), related adverse events (24% vs 6%), and severe adverse events (1.2% vs 0.7%) between BNT162b2 and placebo groups.
according to their own figures, even the placebo has adverse reactions
https://www.medrxiv.org/content/10.1101/2021.07.28.21261159v1