Scientists discover that even mild COVID-19 can alter brain proteins linked to Alzheimer’s disease, potentially increasing dementia risk—raising urgent public health concerns.

[u/Wagamaga]

https://www.imperial.ac.uk/news/260553/covid-19-linked-increase-biomarkers-abnormal-brain/

[u/aguyinphuket]

Perhaps not the same risks, but there is not necessarily a direct correlation between the severity of pulmonary symptoms caused by COVID infection and the severity of the damage to proteins in the brain such an infection can cause.

[u/Think_Discipline_90 → u/aguyinphuket]

Anything is possible, yes.