Although the SARs-COV-2 virus is a respiratory illness, it is known to affect other vital organs of the body, including the brain. It is said to cause mild to severe inflammations, strokes and seizures in the brain, leading to neurological symptoms.

from Times of India https://timesofindia.indiatimes.com/life-style/health-fitness/health-news/coronavirus-how-covid-19-affects-the-brain-study-explains-and-reveals-its-effects/photostory/90075373.cms