The vaccine, called mFlusiva, was approved for older adults. In trials, it was found to be about 27% more effective than a standard flu shot. The vaccine, called mFlusiva, was approved for older adults. In trials, it was found to be about 27% more effective than a standard flu shot.
FDA approves 1st mRNA flu shot, from ModernaFDA approves 1st mRNA flu shot, from Moderna
