This article I spied today gives some info about a couple of recent trials, visits the topic of a vaccine against protein build-up in the brain and hints at a glimmer of hope for the those who carry a particular gene mutation
https://www.theguardian.com/society...s-disease-immune-system-immunotherapy-vaccine
https://www.theguardian.com/society...s-disease-immune-system-immunotherapy-vaccine