Medically reviewed by Ronald Lubelchek, MDMedically reviewed by Ronald Lubelchek, MD If you worry about flu shot ingredients, you should know that they have a decades-long history of safety. With ...

Flu shots contain tiny amounts of inactive, or dead, flu virus. They also contain other ingredients, such as stabilizers, preservatives, and substances that encourage an immune response.

A CDC advisory panel vote to recommend against use of seasonal influenza vaccines containing small amounts of thimerosal ...

A CDC panel’s vote to stop recommending thimerosal-containing flu shots would have limited impact, but it illustrates how the ...

The vast majority of research has failed to show any link between thimerosal and autism or other neurological issues.

Compared to the standard shot, the mRNA vaccine had an overall vaccine efficacy that was 26.6 percent higher, and 27.4 ...

Medically reviewed by Gurdeep S. Sareen, PharmD A preservative-free flu shot is a type of flu vaccine that does not contain preservatives, such as the antimicrobial agent known as thimerosal ...

Suggested Questions A high-dose flu vaccine is made just for seniors. It has four times as much active ingredients as a regular flu shot to provide a better immune response in older people.

Moderna Inc. said Monday its experimental flu shot showed positive results in a late-stage trial.   In a Phase 3 study, the ...

Infectious disease specialist Monica Gandhi, MD examines recent claims about the safety of thimerosal, a preservative used in ...

Just over half of U.S. adults (53%) say they’ve gotten neither the flu shot nor the updated COVID-19 vaccine since last August.

October is the prime time to get a flu vaccine to protect yourself through the worst of the respiratory season. However, keep your expectations in check. This year’s shot may be less effective ...