Post-COVID syndrome (long COVID) involves persistent symptoms weeks to months after acute COVID-19 infection, affecting multiple organ systems through mechanisms including viral persistence, immune dysregulation, autoimmunity, endothelial dysfunction, and microclot formation. Your immune system may harbor viral fragments triggering ongoing immune activation, with elevated inflammatory cytokines creating persistent fatigue and cognitive dysfunction. Some research suggests SARS-CoV-2 proteins persist in tissues, continuously stimulating your immune system. Your endothelial cells (lining blood vessels) show dysfunction, reducing blood flow to organs and potentially explaining brain fog, exercise intolerance, and dysautonomia. Microclots (tiny clots not detected by standard tests) may impair oxygen delivery, explaining breathlessness and fatigue. Your autonomic nervous system often shows dysregulation (POTS-like symptoms), with inappropriate heart rate and blood pressure responses. Autoantibodies (antibodies against your own tissues) have been detected, potentially causing diverse symptoms depending on what they target. Your mitochondria may be damaged by the virus or inflammatory process, reducing energy production. Mast cell activation syndrome may occur, causing histamine-related symptoms. The 'organism as team' framework helps because your immune system is struggling to clear viral remnants, your vascular system is trying to heal endothelial damage, your nervous system is dysregulated from inflammatory signals. Supporting your team means anti-inflammatory approaches, treating specific symptoms (POTS management, sleep support), possible anticoagulation for microclots, mast cell stabilizers if appropriate, pacing to prevent post-exertional crashes, and patience as your systems gradually heal. Your organism is recovering from significant viral assault. ⚕️ This protocol does not replace professional consultation.