For more than a century, vaccines have been mandatory. The reason you probably don't have polio or small pox is because you or your forebears were vaccinated, and those diseases eventually died because herd immunity was reached as a result of vaccination. You might like to read the history of vaccinations on twitter - in response to a remark made by a politician.

https://twitter.com/search?q=un-American&src=typed_query

When your liberty kills someone else, then you are not entitled to your liberty. Your liberty stops where someone else's nose begins. Vaccination protects the entire community, but it doesn't work when only some get vaccinated. The point of vaccination is to prevent the virus from spreading.