Many patients who are hospitalized for COVID-19 are discharged with symptoms such as those associated with a brain injury. … But COVID-19 also appears to produce many other brain-related symptoms ranging from seizures to psychosis, a team reports in the Jan. 5 issue of the journal Alzheimer's & Dementia. The team … says severe COVID-19 may even increase a person's risk of developing Alzheimer's disease. For many affected patients, brain function improves as they recover. But some are likely to face long-term disability, de Erausquin says.