FirstSignal

This is an excellent explanation of Long COVID from Nature.

With an estimated 65 million cases worldwide (10% of total COVID cases), Long COVID is a debilitating illness with impacts on multiple organ systems. Research has made significant progress in understanding this illness, including similarities with other viral-onset illnesses. Diagnostic and treatment options are currently insufficient, and clinical trials must be prioritized to address leading hypotheses.

Long COVID: major findings, mechanisms and recommendations - Nature Reviews Microbiology Long COVID is an often debilitating illness of severe symptoms that can develop during or following COVID-19. In this Review, Davis, McCorkell, Vogel and Topol explore our knowledge of long COVID and highlight key findings, including potential mechanisms, the overlap with other conditions and potent...