Moderna says it is in the process of developing a single-shot vaccine that could serve as a COVID-19 booster shot and a flu shot. In a press release Thursday touting its fifth annual "R&D Day," ...

Moderna hopes to offer updated COVID-19 boosters in the fall that combine the original vaccine with protection against the latest variant. Now it's reporting a hint that such an approach might work.

Moderna CEO Stéphane Bancel on Monday pushed back on criticism of the company’s plans to raise the price of its mRNA-based COVID-19 vaccines by 400 percent, arguing that the billions of dollars in ...