Preventing dementia with this vaccine, and perhaps an antiviral?

Shingles is more than a painful rash. And is there a Covid parallel?

If there were a vaccine that could reduce your risk of getting shingles down from a lifetime 33% chance to just 2%, while at the same time reduce your risk of developing dementia by 20%, would you get it? Have you done so already?

And what if taking an antiviral medication during a shingles outbreak could further reduce your risk of developing dementia …