Actually no, the supreme court never said that about vaccines. That whole idea came from an example that a judge was giving, at least that is my read of it. It was not a rulling. Still safe.
https://en.m.wikipedia.org/wiki/Bruesewitz_v._Wyeth
http://momswhovax.blogspot.com/2013/11/vaccines-and-unavoidably-unsafe-products.html?m=1