Researchers said that mRNA vaccines are faster to develop and target to specific virus strains compared with traditional vaccines.
Scientists then let the virus replicate in the eggs before inactivating the virus and using it for flu shots.
This month,a second dairy farm workerwas reported to have been infected with the virus.
Image: Alex Gallardo (Reuters)
This article originally appeared onQuartz.
News from the future, delivered to your present.
No further cases have been detected yet.
