YOU WANT TO READ SOMETHING REALLY SCARY???
SCOTUS ruled FOR mandatory vaccinations in 1905!!!!!
On February 20, 1905, the Supreme Court, by a 7-2 majority, said in Jacobson v. Massachusetts that the city of Cambridge, Massachusetts could fine residents who refused to receive smallpox injections.
https://constitutioncenter.org/blog/on-this-day-the-supreme-court-rules-on-vaccines-and-public-health