https://www.sciencedaily.com/releases/2022/01/220118111405.htm
Cerebrospinal fluid offers clues to post-COVID 'brain fog' | ScienceDaily
Some patients who develop new cognitive symptoms after a mild bout of COVID have abnormalities in their cerebrospinal fluid similar to those found in people...
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https://www.news-medical.net/health/Brain-Fog-and-COVID-19.aspx
Brain Fog and COVID-19
Mar 18, 2021 - COVID-19 may cause brain fog in some cases, especially in those with more severe cases of the disease that can persist after recovery of other symptoms.
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