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

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

The federal government is recommending flu vaccines remove the preservative thimerosal after Health and Human Services ...

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

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

The Department of Health and Human Services moved to eliminate thimerosal from flu shots in a victory for antivaccine ...

Following a recommendation from a panel of CDC advisors, HHS Secretary Robert F. Kennedy Jr. on Wednesday ordered that the ...

Health and Human Services Secretary Robert F. Kennedy Jr. has signed off on a recommendation to remove thimerosal from all ...

The move targets thimerosal, a preservative that anti-vaccine activists blame for neurodevelopmental disorders, despite ...

Following an overhaul at ACIP, the HHS secretary took the advice of the committee’s new members, saying he was acting on guidance that dated back to 1999.

US Health and Human Services (HHS) Secretary Robert F Kennedy Jr has formally signed off on a recommendation to remove ...

HHS Secretary Robert F. Kennedy Jr. signed off on a recommendation from the CDC’s vaccine advisory panel July 23 to remove thimerosal from all influenza vaccines in the U.S. Thimerosal is a ...