With the U.S. Health and Human Services Secretary Robert F. Kennedy, Jr. canceling nearly $500 million in mRNA vaccine research contracts on Tuesday, you may be wondering if mRNA vaccines are safe.

Editorial: Over the holiday period, the Guardian leader column is looking ahead at the themes of 2026. Today we examine how the White House’s war on vaccines has left the future of a key technology un ...

The Department of Health and Human Services has defended cuts to vaccine research with statements that mislead on the safety of mRNA technology, despite an extensive history of testing. “After a ...

Vaccines using mRNA technology weren’t immune to the latest round of federal research cuts. Health and Human Services Secretary Robert F. Kennedy Jr. said this week that he’s pulling the plug on ...

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 ...