Claim: Pfizer has added a new ingredient to its COVID-19 vaccine to reduce the risk of children having heart attacks as a side effect.
Fact-check: Child health concerns didn't prompt new Pfizer vaccine ingredient
Verdict: false. the ingredient has been added for greater flexibility in storage and is unrelated to any potential side effects.
Organisation: Australian Associated Press
Author: Unknown
Date published: 2021-11-12T00:00:00