Herpes zoster vaccine

Intervention4 papers5 findings

  • Humans1
  • In silico1

Outcomes

1

Mortality

downin silico1−56%Very low certainty

1 study
  1. Herpes zoster vaccine decreases mortality in silico (56%).

    In silicoimplied by published natural experiments

    Natural experiments of herpes zoster vaccination: Quantifying the implied vaccine effectiveness against dementia · Brain, behavior, and immunity · 17 Sep 2026

Associations

2

Dementia

downin humans2downin silico1Moderate certainty

3 studies
  1. Herpes zoster vaccine lowers the risk of dementia in humans.

    Review

    [The importance of varicella-zoster virus reactivation in adult central nervous system diseases] · Rinsho shinkeigaku = Clinical neurology · 19 Sep 2026

  2. Herpes zoster vaccine lowers the risk of dementia in silico (18% (95% CI -0-35)).

    In silicoimplied by published natural experiment in Wales

    Natural experiments of herpes zoster vaccination: Quantifying the implied vaccine effectiveness against dementia · Brain, behavior, and immunity · 17 Sep 2026

  3. Herpes zoster vaccine lowers the risk of dementia in humans (ratio estimate = 0.72; 95% CI: 0.65-0.81).

    Reviewin observational studies

    Association Between Herpes Zoster Vaccination and Dementia Risk: A Systematic Review and Meta-Analysis · Vaccines · 10 Aug 2026

Dementia →

Mild cognitive impairment

downin silico1−41%Very low certainty

1 study
  1. Herpes zoster vaccine lowers the risk of mild cognitive impairment in silico (41%).

    In silicoimplied by published natural experiments

    Natural experiments of herpes zoster vaccination: Quantifying the implied vaccine effectiveness against dementia · Brain, behavior, and immunity · 17 Sep 2026

Mild cognitive impairment →

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