By Nate Raymond, Ahmed Aboulenein and Leah Douglas BOSTON, March 16 (Reuters) - A federal judge on Monday blocked key parts of Health Secretary Robert F. Kennedy Jr.'s effort to reshape U.S. vaccine policy,

A group of experts that advises the US Centers for Disease Control and Prevention on its vaccine recommendations has suspended an anticipated push to stop recommending mRNA-based Covid-19 vaccines amid growing concerns inside the Trump administration over its political risks,

Several states have issued their own guidance about COVID-19 vaccines since the FDA released its 2025-2026 formula approvals on Aug. 27, significantly restricting who can access the vaccines for the first time since their release. What to know right now ...

A federal judge paused the Trump administration’s decision to drastically slash the number of recommended childhood vaccines, halting the implementation of US Health Secretary Robert F. Kennedy Jr.’s unprecedented change to national immunization policy.

A key U.S. federal vaccine advisory ​panel has dropped a push against COVID mRNA ‌vaccines, the Washington Post reported on Wednesday, citing two people familiar with the matter.

Six years ago, on March 11, 2020, the World Health Organization declared COVID-19 a global pandemic. Here's what else happened on that day.

Anti-vaccine activists rally supporters to try to keep the momentum going on changing federal vaccine policies. This comes even as the White House tries to tamp down attention to the unpopular issue ahead of the midterm elections,

Azithromycin was used early in the pandemic to treat COVID-19 in patients and has continued to be used to fight respiratory illnesses. But a new UCSF-led study supports findings that show it isn't effective and that it has negative consequences.