Yes sure, you can test all that you want, even on billions on people and write thousands of studies. That's what they are doing right now. But you can't buy time for your studies, do you understand that ?
If the average period for studying long term effect is 5 to 10 years for a vaccine, how do you do that with a 6 month old vaccine ?
People are losing their mind, even rational educated people are throwing away any critical thinking to embrace the rainbow rhetoric, this is a collective hysteria crisis.