They already have.
https://www.verywellhealth.com/animal-testing-no-longer-required-before-human-trials-7096981
https://welovetrump.com/2022/12/27/netanyahu-admits-israel-was-pfizers-test-lab-for-covid-19-jab-medical-experiment/
Well, I was thinking of the ‘animal rights’ people and their influence.