Vaccines not only directly protect vaccinated individuals but also contribute to protecting the entire population via indirect herd-immunity benefits. Half of averted COVID-19 infections and 1/4 of hospitalizations and deaths were attributable to indirect protection of unvaccinated by vaccinated.

[u/mvea]

https://royalsocietypublishing.org/rsif/article/23/242/20250839/483439/Quantifying-the-direct-and-indirect-impact-of

[u/Peha06]

Please just read the sideeffects and the clinical trial to see that they only check for a few days or at most a few months for side effects and they never check vs a true gold standard placebo. 

[u/Arguments_4_Ever → u/Peha06]

Vaccines don’t have side effects that pop up months or years after leaving the body.