Same rules apply. There has to be proof of causation.Convenient example. What about if you are a fit 15 year old and get a heart attack after taking pfizer?
Being vaccinated with Pfizer is safer than being unvaccinated. That is the fact. Your belief is that Pfizer is not 100% safe.Sorry, dont buy pfizer is 100% safe, and certainly not safer than other vaccines or drugs that are out there. The bad end of the side effects sound worst than other vaccines and medications.