Claim: Pfizer has changed the formulation of its Covid-19 vaccine for children aged five to 11 to include an ingredient used to stabilise heart attack patients.
Fact-check: Claims about changes to Pfizer vaccine for children miss important details - Full Fact
Verdict: the fda recently approved the inclusion of tromethamine in paediatric doses of pfizer's covid-19 vaccine. it was included to extend the vaccine's shelf life, and is not currently used in the uk. it is used to treat a condition which may result from illness following a heart attack.
Organisation: Full Fact
Author: Tom Norton
Date published: 2021-11-24T00:00:00