Several social media posts and a blog that publishes COVID-19 and vaccine misinformation have been spreading the claim that Pfizer changed its formulation for the children’s COVID-19 vaccines to include an ingredient used to stabilize heart attack patients. The ingredient in question, tromethamine, is a commonly used buffer that allows mRNA to be safely stored for longer periods. The buffer will be added as an inactive ingredient to all Pfizer vaccine formulations, not only the lower-dose vaccine for children under 12, and has nothing to do with heart issues.
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With vaccinations for children ages 5 to 11 now underway, bad actors are deliberately spreading false misinformation to try to scare parents. And many parents and caregivers—even fully vaccinated ones—are understandably concerned about the ingredients and potential side effects of COVID-19 vaccines for kids. Emphasizing that kids can and do get sick from COVID and that the vaccines are the best tool for protection is recommended. Helpful talking points in English and in Spanish can be found here. Fact Checking Source(s): AFP, AP News, Lead Stories
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