U.S. to Remove Mercury Preservative From Flu Jabs

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By Denise Mann HealthDay Reporter

Medically reviewed by Carmen Pope, BPharm. Last updated on July 25, 2025.

via HealthDay

FRIDAY, July 25, 2025 — It's official: The controversial preservative thimerosal will be stripped from all flu vaccines distributed in the United States. According to the CDC, influenza (flu) vaccines are currently available in both thimerosal-containing (for multi-dose vaccine vials) and thimerosal-free versions. Thimerosal was taken out of childhood vaccines in the United States in 2001.

U.S. Health and Human Services (HHS) Secretary Robert F. Kennedy Jr. signed off on the recommendation from an expert panel that recommended removing the mercury-based preservative from all influenza vaccines. Use of thimerosal had been largely phased out in the U.S. by 2001.

Founder of an anti-vaccine group, Kennedy has often repeated debunked claims that autism may be linked to childhood vaccinations.

The panel, known as the Advisory Committee on Immunization Practices (ACIP), makes vaccine use recommendations to the U.S. Centers for Disease Control and Prevention (CDC).

“After more than two decades of delay, this action fulfills a long-overdue promise to protect our most vulnerable populations from unnecessary mercury exposure,” Kennedy said in a statement. “Injecting any amount of mercury into children when safe, mercury-free alternatives exist defies common sense and public health responsibility. Today, we put safety first.”

Preservatives, such as thimerosal, kill or prevent the growth of bacteria and fungi, according to the U.S. Food and Drug Administration (FDA).

Thimerosal has long been a target of anti-vaccine advocates due to concerns about mercury exposure, USA Today reports.

In June, RFK Jr. dismissed all 17 members of ACIP and appointed eight new members, some of whom have publicly expressed skepticism about vaccines.

Dr. Cody Meissner, a professor of pediatrics at Dartmouth Geisel School of Medicine, was the only ACIP member to reject the thimerosal recommendation.

He told USA Today that thimerosal has been used since World War II and “no study has ever indicated any harm.” He argued that removing thimerosal from all vaccines could reduce access and increase costs.

The FDA agrees.

Most vaccines no longer contain thimerosal, but the FDA states that “a robust body of peer-reviewed, scientific studies conducted in the United States and countries around the world support the safety of thimerosal-containing vaccines.”

Sources

  • USA Today, July 23, 2025
  • U.S. Department of Health and Human Services, news release, July 23, 2025

    • Disclaimer: Statistical data in medical articles provide general trends and do not pertain to individuals. Individual factors can vary greatly. Always seek personalized medical advice for individual healthcare decisions.

    Source: HealthDay

    Posted : 2025-07-26 06:00

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