Please look at the posts from @canadian-coconut here on Steemit She is a great researcher and writer. Read all of her posts on vaccines and you will understand better.

But simply vaccines are full of toxic chemicals and they do more harm than good. Here is a list of the vaccines and their ingredients.
https://www.cdc.gov/vaccines/pubs/pinkbook/downloads/appendices/b/excipient-table-2.pdf