The FDA will soon decide whether to approve the first flu vaccine that uses the same mRNA technology as COVID-19 shots. Health Secretary Robert F. Kennedy Jr. has long questioned mRNA vaccines.
Copyright 2026 NPR
Rob Stein
Rob Stein is a Correspondent and Senior Editor on NPR's Science Desk.
Steve Inskeep
Steve Inskeep is a host of NPR's Morning Edition and Up First.