The US Food and Drug Administration has approved a new flu vaccine for adults 50 and older. This vaccine is the first in the US to use mRNA technology. It is intended for use in individuals in this age group.

The vaccine was studied in a group of over 40,000 adults 50 and older. Results showed it to be more effective than standard flu shots during the 2024-25 respiratory virus season. Further details about the vaccine, including side effects and availability, can be found through the source, which reported on the FDA approval and the vaccine's development by drugmaker Moderna.