Some Covid survivors with serious lung damage show signs of healing, as they undergo intensive respiratory therapy and exercise regimens, early research shows. 
Some good news on lung recovery after covid by
Doctors at Mount Sinai found that Covid doesn’t break down the lung’s blood vessels but rather dilates them, which makes the blood flow too fast for the oxygen to be absorbed, causing hypoxemia or low levels of oxygen in the blood or hypoxemia.
Some Covid survivors with serious lung damage show signs of healing, as they undergo intensive respiratory therapy and exercise regimens, early research shows. 
The infection leaves behind a mess of dead cells, damaged tissues and fluids, caused by the coronavirus and the overzealous response of the immune system that often occurs in Covid patients. But once the infection is gone, the lungs begin to rebuild.
Some good news.
Some Signs of Recovery From Severe Covid Lung Damage
Well this is good. I don't know what to think, I went from thinking covid was "just the flu" to "the black death" during March. Then I actually got it, with a high viral load, and it screwed up my life for six months.
Some Signs of Recovery From Severe Covid Lung Damage - The New York Times
Some Signs of Recovery From Severe Covid Lung Damage
Some Signs of Recovery From Severe Covid Lung Damage
Some Signs of Recovery From Severe Covid Lung Damage: In two early studies, researchers said some patients showed signs of healing just weeks after leaving the hospital. via
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