The dire shortage of pediatric hospital beds plaguing the nation this fall is a byproduct of financial decisions made by hospitals over the past decade, as they shuttered children's wards, which often operate in the red, and expanded the number of beds available for more profitable endeavors like joint replacements and cancer care. To cope with the flood of young patients sickened by a sweeping convergence of nasty bugs — especially respiratory syncytial virus, influenza, and coronavirus — medical centers nationwide have deployed triage tents, delayed elective surgeries, and transferred critically ill children out of state. A major factor in the bed shortage is a years-long trend among hospitals of eliminating pediatric units, which tend to be less profitable than adult units, said Mark Wietecha, CEO of the Children's Hospital Association. Hospitals optimize revenue by striving to keep their beds 100% full — and filled with patients whose conditions command generous insurance reimburse