Biomarkers

Long COVID has lingered like a mystery that refuses to be solved. For millions of people across the world, the end of their initial COVID-19 infection did not mark the end of their symptoms. Instead, new challenges emerged, ranging from fatigue and brain fog to shortness of breath, nerve pain, gastrointestinal problems and a frustrating …

For many people, recovery from COVID was supposed to be a finish line. A negative test, a few weeks of rest, and life would return to normal. Yet for millions, normal never quite came back. The exhaustion lingered. Concentration slipped. Words disappeared mid sentence. Routine tasks felt heavier than they should. When medical tests returned …