New Evidence COVID-19 Invades the Brain

January 5, 2021

(Medscape) – SARS-CoV-2 can invade the brain and directly act on brain cells, causing neuroinflammation, new animal research suggests. Investigators injected spike 1 (S1), which is found on the tufts of the “red spikes” of the virus, into mice and found that it crossed the blood-brain barrier (BBB) and was taken up not only by brain regions and the brain space but also by other organs — specifically, the lungs, spleen, liver, and kidneys.

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