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

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.

Ensuring the safety and quality of pharmaceuticals, such as blood products, vaccines, recombinant proteins, and monoclonal antibodies, is essential. Endotoxins act as a hidden ‘time bomb’ in these ...