Older adults who received the Shingrix shingles vaccine were 24% less likely to be diagnosed with dementia over four years in a study of more than 500,000 people. Researchers estimate the difference could amount to roughly one dementia case prevented for every 17 people vaccinated.
Shingles is absolutely contagious
It will give the person the virus, which first is chickenpox. And then leaves them at risk for shingles in the future