US bans vaccine ingredient targeted by anti-vaxxers

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FILE PHOTO: U.S. Health and Human Services (HHS) Secretary Robert F. Kennedy Jr. speaks at a Make Oklahoma Healthy Again kickoff event at the Oklahoma State Capitol in Oklahoma City, Oklahoma, U.S. June 26, 2025. REUTERS/Nick Oxford/File Photo

The move follows a vote by a panel of outside experts convened by US Health Secretary Robert F. Kennedy (above) in June that voted to end the use of thimerosal in influenza vaccines for adults, pregnant people and children.

PHOTO: REUTERS

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WASHINGTON - The US health department said on July 23 it would end the use of a vaccine ingredient long targeted by conspiracy theorists over debunked claims it causes autism.

Thimerosal, a preservative that prevents bacterial and fungal contamination in multi-dose vials, has been extensively studied, with the authorities including the World Health Organisation finding no evidence of harm.

The move follows a vote by

a panel of outside experts convened by US Health Secretary Robert F. Kennedy

in June to end the use of thimerosal in influenza vaccines for adults, pregnant people and children.

Although the substance is now rarely used in US vaccines, the recommendations by the influential Advisory Committee on Immunisation Practices alarmed experts, who said the move has effectively embedded talking points championed by the anti-vaccine movement into national policy. AFP

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