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Long COVID-19 and other chronic respiratory conditions after viral infections may stem from an overactive immune response in the lungs

  • Written by Harish Narasimhan, PhD Candidate in Immunology, University of Virginia
Long COVID-19 and other chronic respiratory conditions after viral infections may stem from an overactive immune response in the lungsThe immune system usually stays dormant in the lungs in times of health.wildpixel/iStock via Getty Images

Viruses that cause respiratory diseases like the flu and COVID-19 can lead to mild to severe symptoms within the first few weeks of infection. These symptoms typically resolve within a few more weeks, sometimes with the help of treatment if...

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