In hospitals around the world, doctors are shaking their heads in disbelief as they watch Covid-19 patients who should be comatose or "seizing" from hypoxia -- a lack of oxygen in the body's tissues -- check social media, chat with nurses and barely complain of discomfort while breathing.


원문출처 : https://www.cnn.com/2020/05/06/health/happy-hypoxia-pulse-oximeter-trnd-wellness/index.html