Brain scans find no evidence of widespread inflammation in long COVID
Coronavirus
Turun yliopisto (University of Turku) May 22 2026 A new brain imaging study has found no evidence of widespread brain inflammation in patients suffering from prolonged symptoms after COVID-19 infection. Instead, the most severe long COVID symptoms were associated with increased brain activity in regions involved in mood and emotion. Long COVID has been suspected to involve persistent brain inflammation following SARS-CoV-2 infection, potentially explaining symptoms such as fatigue, cognitive
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