They have reported neurological symptoms such as worse memory, brain fog, and such that are also identified with those who have
dementia, but it should be stated that lots
of other things also cause these things, including for some depression, anxiety, and lots of medications. It would stand to reason that since covid has mostly killed the old they would find more signs of Alzheimer's when they look at their brains. A lot of the diagnosis of Alzheimer's happens after death.