The FDA has approved the nation’s first messenger RNA-based influenza vaccine, marking a significant development in the fight against the respiratory illness — and the end of a tumultuous approval process. The vaccine (mFlusiva, Moderna) is approved for adults aged 50 years or older. It is the fifth mRNA vaccine approved for use in the United States, which include Moderna’s two COVID-19 shots and

The FDA has approved the nation’s first messenger RNA-based influenza vaccine, marking a significant development in the fight against the respiratory illness — and the end of a…

The clearance paves the way for the first preventive flu shot based on mRNA technology and completes a dramatic regulatory turnaround.

The vaccine, developed by Moderna, is approved for adults ages 50 to 64 and those 65 and older, who face the highest risk of severe illness.