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Protecting your brain from viruses and harm.
Blood-brain barriers are a layer of endothelial cells around the blood vessels in your brain (and spinal cord), that work to keep viruses and other harmful substances out of your bloodstream.
MS Trust. Blood-brain barrier. Available at: https://www.mstrust.org.uk/a-z/blood-brain-barrier Accessed March 2020
UK | July 2020 | MUL20-C021