Is This a Setback for Moderna?

Moderna's RSV candidate First, a bit of background on Moderna's RSV candidate. RSV generally causes cold-like symptoms, but the virus could be severe for certain groups like elderly people or infants. Moderna is seeking approval for its vaccine in people over age 60 in various countries around the world, including the U.S. Last year, regulators approved two other RSV vaccines -- from GSK and Pfizer -- so Moderna isn't the only player in this field. But there's room for more than one, and Moderna may even ex ...