Neurology Minute

Dr. Margarita Fedorova discusses whether a vaccine ingredient is quietly protecting the brain.  Show citation:  Taquet M, Todd JA, Harrison PJ. Lower risk of dementia with AS01-adjuvanted vaccination against shingles and respiratory syncytial virus infections. NPJ Vaccines. 2025;10(1):130. Published 2025 Jun 25. doi:10.1038/s41541-025-01172-3 Show transcript:  Dr. Margarita Fedorova:  Welcome to Neurology Minute. My name is Margarita Fedorova, and I'm a neurology resident at the Cleveland Clinic. Today we're exploring a study that raises a compelling question. Could a vaccine ingredient be quietly protecting the brain? A recent study by Taquet et al., published in npj Vaccines in 2025, investigated whether vaccination with an AS01-adjuvanted vaccine is associated with a lower risk of dementia. You might know it as the immune-boosting ingredient in Shingrix, the shingles vaccine, and Arexvy, the new RSV vaccine. We already know from prior work that the Shingrix vaccine was associated with a reduced risk of dem