Okayama University Jun 12 2026 Persistent symptoms after COVID-19 infection continue to affect millions of people worldwide, even as the number of acute infections has declined. Long COVID (LC) can cause fatigue, headaches, sleep disturbances, breathing difficulties, and cognitive problems commonly described as "brain fog." Despite the growing burden of these lingering symptoms, clinicians still lack reliable biological markers that can objectively assess disease severity, predict prognosis, or

Tag-uri: Coronavirus