Moderna is preparing to test Health Secretary Robert F. Kennedy Jr.'s tougher vaccine policies with a combination flu-COVID ...

The FDA's Dr. Vinay Prasad said that he disagreed with the agency's career vaccine reviewers about COVID shot approvals.

Federal documents show he disagreed with conclusions the benefits outweighed the risk of side effects, which are rare.

FDA vaccine head Vinay Prasad restricted Moderna and Novavax COVID vaccines to high-risk groups, overriding staff advice amid ...

Records show that a top U.S. regulator rejected the recommendations of agency experts and limited the use of Covid vaccines.

An influenza vaccine candidate from Moderna showed promising results in a late-stage trial, bringing the drug maker one step ...

The US Food and Drug Administration (FDA) has added new warnings to the Pfizer and Moderna COVID-19 vaccines about a rare heart condition that mostly affects young men.

The Cambridge biotech believes packaging the two immunizations together will lead to higher uptake of COVID vaccines.

Myocarditis, when the heart muscle gets inflamed, can make it harder for the heart to pump blood possibly causing chest pain, ...

An mRNA-based flu vaccine has the potential advantage to more precisely match circulating strains, support rapid response in a future influenza pandemic, and pave the way for COVID-19 combination ...

The FDA has updated labels on the top two COVID-19 vaccines to warn of a rare heart side effect, mostly seen in young men.

In adults 50 and older, Moderna’s flu shot was more than 26% better than an unspecified commercial vaccine. In May, the ...