Do some vaccinations really reduce dementia risk?

 https://www1.racgp.org.au/newsgp/clinical/do-some-vaccinations-really-reduce-dementia-risk#:~:text=Research%20has%20shown%20reduced%20dementia,unclear%20to%20the%20medical%20community.

There is mounting evidence vaccines can reduce the rates of dementia, but one GP says ‘the jury is still out’ on which ones are best.