Most all vaccines in the US are not manufactured with the purity to guarantee that some people won't have bad or terrible reactions.

If you or your loved ones are one of those "some people", taking the vaccine was not worth the risk.

On a related note, it's been reported that vaccinations given to Baby Boomers starting school in the early 50's were contaminated with a cancer virus.

It's a damned if you do, damned if you don't decision.