We asked experts about how the technology works, its safety and its potential in medicine. By Nina Agrawal Health Secretary Robert F. Kennedy Jr. has repeatedly questioned the safety of mRNA vaccines ...

Over the last several days, the safety and efficacy of messenger RNA, or mRNA, vaccines have come under intense scrutiny. On Tuesday, the U.S. Food and Drug Administration announced plans to limit ...

Sara Moniuszko is a health and lifestyle reporter at CBSNews.com. Previously, she wrote for USA Today, where she was selected to help launch the newspaper's wellness vertical. She now covers breaking ...

A new mRNA vaccine against the flu has proven itself more effective than existing vaccines in a new clinical trial. The Pfizer-developed vaccine was found to be 34.5 percent more effective than ...

Aside from maybe high school biology classes, the first time many people heard of mRNA was during the pandemic because of the vital role MRNA technology played in COVID-19 vaccines. As the building ...

The U.S. Department of Health and Human Services (HHS) recently announced it will wind down funding for mRNA vaccine development—which could prove to be one of the costliest, deadliest decisions HHS ...

MRNA technology is facing growing doubts among Republicans. This is a KFF Health News story. Researchers racing to develop bird flu vaccines for humans have turned to a cutting-edge technology that ...

On Sept. 4, 2025, Health and Human Services Secretary Robert F. Kennedy Jr. is scheduled to testify before the Senate Finance Committee, where he is expected to face questions about his vaccine ...

Vaccines using mRNA technology have been studied for decades, experts say. Over the last several days, the safety and efficacy of messenger RNA, or mRNA, vaccines have come under intense scrutiny. On ...