Annual Flu Vaccines

Topics: Dementia | Flu Shot | Immune System | Influenza vaccination | Microglia

Review of: Wiemken TL et al, Vaccine 2021;39(39):5524–5531 Study Type: Retrospective cohort study A growing body of literature links various vaccinations (eg, diphtheria, tetanus, polio, and influenza) to a lower risk of dementia through unclear mechanisms—one theory is that vaccines activate microglia, which clear amyloid-beta. However, many