“COVID-19 survivors show signs of significant cognitive deficits which could become dementia even a year after having the virus.. The team [in India] found that more than 80% of people tested reported at least one of four symptoms – depression, anxiety, stress and insomnia – ranging from mild to severe.. At least 6.1% of the patients were diagnosed with mild cognitive impairment and 4% developed dementia. More than 60% of the patients experienced a loss of taste and smell during the active phase of the infection. This could alter the function of brain areas linked to cognitive ability and emotional well-being.."
Study from CAMH found, via PET scans, elevated levels of the protein TSPO, a brain marker of inflammation, in patients with onset of depression in long covid
more than 200 million globally may experience lingering neurological symptoms from COVID, including depression, memory impairment, slower motor control, low motivation and energy, for months to even years due to brain inflammation from long COVID
this along side everything we have learned in the last 2.5 years ( much summarized in the lit review done by Stanford and Yale, linked in the comments ) moves us a step closer in understanding the underlying biological mechanisms behind these symptoms
