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A large proportion of Long COVID-19 symptoms are related to neurologic symptoms, and some medical communities have used the colloquial term post covid brain fog to facilitate a consistent taxonomy and description of brain-related post-COVID-19 symptoms. Brain fog was not previously considered a medical or scientific term, but rather a colloquial description of a state in which people cannot think clearly when they have the flu or other illnesses. Ordinary people use the fog in the brain to describe the problems that occur i... more

Some patients who developed new cognitive symptoms after mild COVID-19 episodes had CSF abnormalities similar to patients with other infectious diseases. The discovery may provide insight into how SARS-CoV-2 affects the brain. The persistent symptoms of post covid fog in many patients while being treated for COVID-19 has caught the attention of experts. Researchers from UCSF and Weill Cornell Medicine in New York analyzed the cerebrospinal fluid of 17 participants who agreed to undergo lumbar punctures. All participants ha... more