FDA approves first mRNA-based flu vaccine

By Elise Haulund, Katherine Dillinger, Meg Tirrell, CNN (CNN) — The US Food and Drug Administration on Wednesday approved the United States’ first mRNA-based flu vaccine for adults 50 and older, drugmaker Moderna said. “Flu remains a significant public health challenge, and mFLUSIVA provides an important new option for America’s seniors,” Moderna CEO Stephane Bancel