Some patients who develop new cognitive symptoms after a mild bout of COVID-19 have abnormalities in their cerebrospinal fluid similar to those found in people with other infectious diseases. The finding may provide insights into how SARS-CoV-2 impacts the brain.In a small study with 32 adults, comprising 22 with cognitive symptoms and 10 control participants without, researchers from UC San Francisco and Weill Cornell Medicine, New York, analyzed the cerebrospinal fluid of 17 of the participants who consented to lumbar puncture. All participants had had COVID-19 but had not required hospitalization.
Source: Cerebrospinal Fluid Offers Clues to Post-COVID ‘Brain Fog’ | UC San Francisco