In an in-depth study, NIH researchers consistently found blood vessel damage in the brains of COVID-19 patients but no signs of SARS-CoV-2 infections. Here is a high-resolution scan of a patient’s brain stem. Arrows point to light and dark spots that are indicative of blood vessel damage observed in the study. Credit: NIH/NINDS.


NIH study uncovers blood vessel damage & inflammation in COVID-19 patients' brains but no infection


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