Do you not understand there is no set observational period
Posted on: September 15, 2021 at 11:16:34 CT
TigerMatt STL
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between Phase 3 approval and FDA approval?
You are making something up that never existed.
FDA approval reviews safety data from the Phase 3 trial. It evaluates the production of the vaccine to make sure it is not contaminated and the batches match what was in the Phase 3 trial.
There has never been, ok let's sit on the vaccine for 5 years after the Phase 3 trials. Never.
Phase 4 trials do exist. It is just a name for the observational period after the vaccine has been released to the general public, typically about 2 years.