Effect of herpes zoster vaccination on dementia occurrence: A quasi-experimental study in Australia.

ABSTRACT:

Importance

Taking advantage of a natural experiment in Wales, our group has recently provided evidence that herpes zoster (HZ) vaccination appears to prevent or delay dementia. Exploiting a similar natural experiment in Australia, this present study investigated the effect of HZ vaccination on dementia occurrence in a different population and health system setting.

Objective

To determine the effect of HZ vaccination on the probability of receiving a new diagnosis of dementia in the future.

Design setting and participants

In Australia, starting on November 1 2016, live-attenuated HZ vaccination was provided for free to individuals aged 70 to 79 years of age through primary care providers. Thus, those whose 80^th birthday was just a few weeks prior to November

SUBMITTER: Pomirchy M 

PROVIDER: S-EPMC11230318 | biostudies-literature | 2025 Apr

REPOSITORIES: biostudies-literature