> Cognitive problems in those who have required a lengthy hospital stay or intubation are expected [[19]]. What is less clear is whether milder cases who have not been hospitalized also can suffer objectively measurable cognitive deficits. Measuring such associations is challenging.

I think most of these deficits are for the hospitalized. It will be interesting to see the why. Is it the virus itself? Is it the treatment? Combination? Or is it the extreme long term anxiety.