"This is a very clear effort to shine a light on this anti-vaccine trope: that thimerosal is somehow dangerous.” ...

Thimerosal, which contains an organic compound of mercury, has mostly been phased out as a preservative for vaccines. Here’s ...

The conversation around the flu vaccine has been reignited with controversy due to renewed attention on thimerosal, a mercury ...

Thimerosal has been at the heart of Health and Human Services Secretary Robert F. Kennedy Jr.’s antivaccine activism for 20 ...

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

Thimerosal is an ingredient that helps keep vaccines pathogen free. Health and Human Services Secretary Robert F. Kennedy Jr.

Thimerosal is a preservative used in certain vaccines since the 1930s, as well as in some other medical products. It was mostly used in multi-dose vials of vaccine, ...

The Trump administration’s new vaccine advisers endorsed this fall's flu vaccines late last week, but only those that don't ...

It is rarely included in vaccines in the United States. The flu shot was the sole routinely recommended vaccine to include ...

Thimerosal Triggers Toxic Debate. While the new panel showed little conflict over the 2025-2026 seasonal flu vaccine recommendations, thimerosal fueled sharp reactions among members and outside ...

A new slate of vaccine advisers to the US Centers for Disease Control and Prevention voted Thursday to recommend that ...

The preservative is in a small share of flu shots and has been studied for decades. Experts say it’s safe — despite Kennedy’s long opposition.