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A preservative removed from childhood vaccines 20 years ago is still causing controversy today − a drug safety expert explains

A preservative removed from childhood vaccines 20 years ago is still causing controversy today − a drug safety expert explains Thimerosal, a mercury-based chemical used as a preservative in some vaccines, has been removed from childhood vaccines for over 20 years due to concerns about its safety. A discredited study published in 1989 falsely linked […]

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