The FDA’s approval is welcome news, and will hopefully open the door to much faster production of an effective vaccine to counter any future flu pandemic.

The first mRNA-based flu shot to be approved by the Food and Drug Administration will be ready for the upcoming flu season. Moderna, the vaccine's maker

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

Moderna forecasts hundreds of millions of dollars in windfall profits