https://www.siliconvalley.com/2021/09/10/moderna-developing-combination-coronavirus-and-flu-booster-vaccine/

An annual research and development day hosted by Cambridge biotech company Moderna revealed several advancements in mRNA vaccine technology, including a combination coronavirus and flu booster that’s in the works.

“We believe our mRNA platform can solve the world’s greatest health challenges, from diseases impacting millions, to ultra-rare diseases impacting dozens, to medicines personalized down to the individual level,” said Stephane Bancel, CEO of Moderna.