What is thimerosal, does it have side effects and why is RFK Jr. removing the controversial preservative from the flu shot?

The US Department of Health and Human Services has adopted a recommendation to remove a preservative called thimerosal from ...

Banning vaccine ingredients without cause increases the perceived risk of vaccines,” one prominent health group said.

Although it has been largely phased out of U.S. vaccines, thimerosal has long been targeted by anti-vaccine advocates.

The mercury-based ingredient has prompted concerns from some organizations, although the CDC has said there is no evidence it ...

The action will remove from use the very few flu shots that contain the contested preservative, elevating unproven fears it ...

Last month, the restructured ACIP voted 5-1 with one abstention to recommend that children, pregnant women, and all other ...

HHS Secretary Robert F. Kennedy Jr. formally accepted recommendations that would require all vaccine manufacturers to ...

RFK Jr. approves a nationwide shift to mercury-free flu vaccines, ending decades of thimerosal use amid rising safety and ...

This is the web edition of D.C. Diagnosis, STAT's twice-weekly newsletter about the politics and policy of health and ...

The CDC says there is no evidence of harm from mercury-based thimerosal.

Health experts were shocked to see that thimerosal, a preservative that has largely been phased out of U.S. vaccines, was on ...