Influenza Vaccine Dose and Dementia Outcomes - Takeaway - MDSpire
From the Journals

Influenza Vaccine Dose and Dementia Outcomes

US claims data compare high- vs standard-dose formulations in patients aged 65 years or more over 3 years of follow-up

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    High-dose influenza vaccine reduces Alzheimer dementia risk in seniors.

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    Study used data from 2014-2019 with over 238,000 person-trials.

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    Lower risk observed for up to 25 months post-vaccination.

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    Stronger effects noted in women.

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    Limitations include follow-up and potential misclassification issues.

Original Source(s)

Influenza Vaccine Dose and Dementia Outcomes

  • by Kathryn Wighton

  • April 10, 2026

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