Flu and Pneumonia Vaccinations are Associated with Reduced Risk of Alzheimer’s

Flu and Pneumonia Vaccinations are Associated with Reduced Risk of Alzheimer’s

CHICAGO, JULY 27, 2020 — Flu (influenza) and pneumonia vaccinations are associated with reduced risk of Alzheimer’s disease, according to new research reported at the Alzheimer’s Association International Conference® (AAIC®) 2020.

Three research studies reported at AAIC 2020 suggest:

  • At least one flu vaccination was associated with a 17% reduction in Alzheimer’s incidence. More frequent flu vaccination was associated with another 13% reduction in Alzheimer’s incidence.
  • Vaccination against pneumonia between ages 65 and 75 reduced Alzheimer’s risk by up to 40% depending on individual genes.
  • Individuals with dementia have a higher risk of dying (6-fold) after infections than those without dementia (3-fold).

“With the COVID-19 pandemic, vaccines are at the forefront of public health discussions. It is important to explore their benefit in not only protecting against viral or bacterial infection but also improving long-term health outcomes,” said Maria C. Carrillo, Ph.D., Alzheimer’s Association chief science officer.

“It may turn out to be as simple as if you’re taking care of your health in this way — getting vaccinated — you’re also taking care of yourself in other ways, and these things add up to lower risk of Alzheimer’s and other dementias,” Carrillo said. “This research, while early, calls for further studies in large, diverse clinical trials to inform whether vaccinations as a public health strategy decrease our risk for developing dementia as we age.”

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