“Pfizer adds ingredient used to stabilize heart attack victims in vax for kids.”
Social media posts
Social media posts. Claim dated 28 Oct 2021.
FactCheck.org rated thisFalse
What FactCheck.org found
Pfizer switched to using another buffer known as Tris, or tromethamine, in the kids’ version because it increases the stability of the vaccine and allows the vials to be stored at warmer temperatures longer.
Their words, from the summary they publish with the rating.
In short
This claim spread on social media around 28 October 2021. FactCheck.org (United States) looked into it and published its finding on 5 November 2021, 8 days later. Its rating was “False”.
Where the claim appeared
- Saved copy of the posthttps://archive.md/CP7oV#selection-97.0-97.77
Links recorded by FactCheck.org. Some posts may have been deleted since.
This check was done by FactCheck.org, not by DoesItStand. We list it so you can find it. Their full evidence and reasoning are in their article.