U.S. ultimatum to vaccine group: No more funds unless you stop using thimerosal
- Posted on January 30, 2026
- By NPR
- 2 Views
U.S. ultimatum to vaccine group: No more funds unless you stop using thimerosal

This mercury-containing compound, used as a vaccine preservative, is commonly used in lower-income countries — and deemed safe. The U.S. is now demanding that Gavi, the Vaccine Alliance stop using it.