Flu Vaccination Linked to 40% Reduced Risk of Alzheimer’s Disease In Large Study

A team of researchers including Paul E. Schulz, MD, found that flu vaccination was associated with a reduced risk for Alzheimer's disease over a four-year period. (Credit: UTHealth Houston).
People who received at least one influenza vaccine were 40% less likely than their non-vaccinated peers to develop Alzheimer’s disease over the course of four years, according to a new study from UTHealth Houston. Research led by first author Avram S. Bukhbinder, MD, a recent alumnus of McGovern Medical School at UTHealth Houston, and senior author Paul. E. Schulz, MD, the Rick McCord Professor in Neurology at McGovern Medical School, compared the risk of Alzheimer’s disease incidence between patients with and without prior flu vaccination in a large nationwide sample of U.S. adults aged 65 and older. An early online version of the paper detailing the findings is available in advance of its publication in the August 2, 2022 issue of the Journal of Alzheimer’s Disease. The article is titled “Risk of Alzheimer’s Disease Following Influenza Vaccination: A Claims-Based Cohort Study Using Propensity Score Matching.”
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