READ MORE“For the first time, we are able to say much more confidently that the shingles vaccine causes a reduction in dementia risk. This latest research is not the first to find a link between shingles vaccine and reduced risk of dementia. “We need more randomised controlled trials evidence to support its definitive benefit regarding lowering dementia risk and the use of a vaccine for dementia risk reduction,” he says. This new study is the cherry on the top of the cake in terms of the reduced dementia risk. Shingrix is the only shingles vaccine now available in Ireland, following the voluntary withdrawal of an earlier live single dose vaccine, Zostavax, a few years ago.