BCG vaccine may rewire brain immunity, shift Alzheimer's markers over 12 months

New probe led by Mass General Brigham investigators suggests that the Bacillus Calmette-Guérin (BCG) vaccine—which is delivered done the tegument to forestall tuberculosis—may remodel the quality brain's immune environment, offering a imaginable biologic mentation for antecedently observed associations betwixt BCG vaccination and little Alzheimer's illness risk. Findings are published successful Communications Medicine.