For the most part, drug company's results=real life studies. It is not easy to get a drug approved, especially in the US. Studies have to be done on people before they are approved.
In this case, I do not understand the hype surrounding this drug. It's a new drug and a new type of drug. I don't see a need to mandate it, however. Let the parents and the health insurers decide. No reason for the state to tell us when to get a vaccine for this.
When Mr. Goodhair demanded everyone be vaccinated it started to smell. That should have been a clue money was involved.