It's not like anything we've seen before," Michaud said.
That's actually the scarring around the air sacs," Michaud said.
"There are patients that actually have scarring of their lungs, even though they never really had any lung symptoms.We are also seeing patients that had mild forms of COVID, but they just don't get better," Michaud said.
"The ventilator as the lung opens and closes can cause increased damage to the lungs," Michaud said.