Influenza vaccine
Intervention1 paper2 findings
Associations
2Alzheimer's disease
downin humans1Moderate certainty
1 study
Alzheimer's disease
downin humans1Moderate certainty
Influenza vaccine lowers the risk of Alzheimer's disease in humans.
“Influenza vaccination was associated with a lower risk of dementia and AD”
Review
Association Between Respiratory Vaccines and Risk of Cognitive Impairment, Dementia and Alzheimer's Disease: A Scoping Review · Vaccines · 22 Aug 2026
Dementia
downin humans1Moderate certainty
1 study
Dementia
downin humans1Moderate certainty
Influenza vaccine lowers the risk of dementia in humans.
“Influenza vaccination was associated with a lower risk of dementia and AD”
Review
Association Between Respiratory Vaccines and Risk of Cognitive Impairment, Dementia and Alzheimer's Disease: A Scoping Review · Vaccines · 22 Aug 2026