Abstract
Long COVID is multisystem syndrome with nonspecific symptoms and organic signs of unidentified pathology occurs after COVID-19 disease. Long COVID symptoms has been documented in some cases irrespective of disease severity or hospitalization. Long COVID symptoms has significant impact on quality of life in those cases suffered from disease in recent past and lingering to almost two years since infection. Importantly, not all cases of COVID-19 were shown long COVID symptoms. Pathophysiology resulting into long COVID manifestations is still not completely validated. Researchers have reported ‘immune dysregulation’ and ‘coagulation abnormalities’ are probable pathophysiological mechanism for long COVID. Some of the long COVID effects shown complete reversibility including post COVID lung fibrosis. Reboot system to restore immune dysregulation and recovery in long COVID is real concern. Vaccination has not shown significant effect modifying long COVID manifestation.
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