Long COVID and immune 'soldier' cells: Q&A
Extreme fatigue, a racing pulse, shortness of breath, brain fog, aching joints—the symptoms of long COVID can vary widely, change unpredictably and be difficult to recognize as signs of the condition. Long COVID also remains difficult to treat, as no standard treatments yet exist.

<p>Extreme fatigue, a racing pulse, shortness of breath, brain fog, aching joints—the symptoms of long COVID can vary widely, change unpredictably and be difficult to recognize as signs of the condition. Long COVID also remains difficult to treat, as no standard treatments yet exist.</p>