Depends how many and what kind of adjuvants are used- mercury has been used, as well as aluminum oxide, both of which are carcinogenic and cause nervous system damage. Those cases are well documented and can be found everywhere.

No one knows what the long-term effects of mena injections are except the doctors that work for the Gates Foundation and Doctors Without Borders who have been Guinea pigging children in third world countries for decades.

Another side effect of the polio vaccine was the infection of recipients with the disease itself. During the big polio vaccine push thousands of people became comatose, suffered nervous system failure, and paralysis to varying degrees within just a few months.

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC1383764/

https://childrenshealthdefense.org/news/government-corruption/what-polio-vaccine-injury-looks-like-decades-later/