Impact of herpes zoster vaccination on incident dementia: A retrospective study in two patient cohorts.
Jeffrey F ScherrerJoanne SalasTimothy L WiemkenDaniel F HoftChristine JacobsJohn E MorleyPublished in: PloS one (2021)
HZ vaccination is associated with reduced risk of dementia. Vaccination may provide nonspecific neuroprotection by training the immune system to limit damaging inflammation, or specific neuroprotection that prevents viral cytopathic effects.