The FDA has approved a new flu vaccine for adults 50 and older in the US. This vaccine is the first of its kind to be based on mRNA technology. It has been approved for use in adults 50 years of age or older.

The vaccine, developed by Moderna, has shown to be approximately 27% more effective than other options in a study of over 40,000 adults. Moderna's CEO views this approval as a significant step in addressing public health challenges through scientific innovation. Further details about the vaccine and its development are available from the source.