Summary: Researchers have discovered how the nature of T cells help protect the brain from viruses. The findings shed light on the role the immune system plays in a number of neurodegenerative disorders.
https://neurosciencenews.com/immune-cells-brain-10136/

(The full report "Tissue-resident memory T cells populate the human brain" is open access and can be found at: https://www.nature.com/articles/s41467-018-07053-9)

Researchers have discovered how the nature of T cells help protect the brain from viruses. The findings shed light on the role the immune system plays in a number of neurodegenerative disorders.