Moderna's Covid-19 vaccine gets full FDA approval

Thirteen months and 13 days after the FDA first authorized it for emergency use, Moderna Inc. has finally won full U.S. approval for its Covid-19 vaccine. Moderna (Nasdaq: MRNA) CEO Stéphane Bancel called the approval a "momentous milestone" for the Cambridge biotech: It is the company's first product to have earned a biologics license application — or BLA — approval in the U.S. The vaccine, which Moderna has branded "Spikevax," is only fully authorized for adults. The U.S. Food and Drug Administration…