A viral infection of the mind? The curious case of encephalitis lethargica
https://theconversation.com/a-viral-infection-of-the-mind-the-curious-case-of-encephalitis-lethargica-660
Encephalitis lethargica - Wikipedia
https://en.wikipedia.org/wiki/Encephalitis_lethargica
The coronavirus may cause brain damage, even in patients with mild cases, a new study found | Business Insider
https://www.businessinsider.com.au/coronavirus-linked-brain-damage-delirium-neurological-problems-2020-7