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What is thimerosal? What the research says about the vaccine preservative under fire by RFK Jr
pbs.org/newshour/health/what-is-thimerosal-what-the-research-says-about-the-vaccine-preservative-under-fire-by-rfk-jr
Thimerosal has been at the heart of Health and Human Services Secretary Robert F. Kennedy Jr.’s antivaccine activism for 20 years. Here’s what to know about the vaccine preservative and its removal from flu vaccines.
This story appeared on pbs.org, 2025-06-27 17:44:58.