Effie Schnacky was wheezy and lethargic instead of being her normal, rambunctious self one February afternoon. When her parents checked her blood oxygen level, it was hovering around 80% — dangerously low for the 7-year-old.

(SOURCE) https://www.cnn.com/2023/03/16/health/pediatric-hospital-bed-shortage-ctrp/index.html