Earlier quoted context omitted.
Why are the major COVID-19 vaccines still under FDA emergency use authorization guidelines? What's preventing the FDA from dropping those special rules and treating the vaccine like every other vaccine?
Because full authorization takes time. The speed in rolling out emergency use vaccination was by the book. Speeding up full authorization would not be.
Compared to Approval -> Production. If they drop the emergency use, technically they would need to stop production of the vaccine..
[0] https://vaccine.unchealthcare.org/science/vaccine-approval/w...