we are not talking about new drugs in general - we are talking specifically about vaccines. Here is an opportunity to easily prove your point: show me significant examples of serious side effects from vaccines 6+ months after they were administered.

It's clear with statements like "This new Covid Vaccine is not a true vaccine" that you are just parroting anti-vax talking points. Nobody changed the definition of vaccines and mRNA vaccines fit the definition no matter how you describe them

https://sciencebasedmedicine.org/the-latest-antivax-false-cl...