Vaccines are one of the greatest public health successes of modern medicine. From smallpox to polio to measles, vaccines have ...

Key Takeaways Health Secretary Robert F. Kennedy Jr. signed off on a recommendation to remove thimerosal from all flu ...

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

U.S. Health and Human Services Secretary Robert F. Kennedy Jr. has approved a major Centers for Disease Control & Prevention ...

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

Doctors and infectious disease experts stress that flu vaccines are safe, and they are especially important for older adults ...

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

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

Thimerosal, a mercury-based preservative, has been incorrectly linked to the development of autism by antivaccine groups.

The change won't affect most people seeking the flu vaccine because thimerosal is not added to single-dose vials; it's added only to multidose vials to prevent bacteria from growing. The HHS secretary ...

RFK Jr.’s vaccine-safety investigator has previously used government vaccine data to publish research with glaring flaws.