Study: COVID-19 rate in US pediatric surgical patients low but varies by regionA study published today in JAMA Surgery has found a 0.93% overall incidence of COVID-19 among pediatric patients undergoing urgent surgery in three US hospitals, but with wide regional variations.Overall, 1,295 patients younger than 19 years were tested for the novel coronavirus as part of universal preoperative screening at Children's Hospital of Philadelphia, Texas Children's Hospital in Houston, and Seattle Children's Hospital from Mar 26 to Apr 22.Twelve of 1,295 (0.93%) tested positive, but the incidence ranged from 1 of 456 (0.22%) in Houston to 9 of 339 (2.65%) in Philadelphia.