A COVID pneumonia is an infection of the lungs brought on by the COVID-19 virus, SARS-CoV-2. Pneumonia can develop as a side effect of having COVID-19. Your lungs become inflamed and swollen as your immune system fights the infection there, making it difficult to breathe.
Almost usually, the COVID-19-related pneumonia affects both lungs simultaneously (bilateral). The interstitial tissue that lines the air sacs, blood veins, and airways in your lung. Scarring or other lung damage is a result of interstitial lung disease. In COVID-19, bilateral interstitial pneumonia refers to pneumonia caused by the virus that results in lung destruction on both sides. This often transpires following the first (infectious) stage, frequently in individuals with protracted COVIDs (post-acute sequelae of SARS CoV-2, or PASC).
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