Higher risk for severe COVID-19 illness can be found among children with medical complexity and certain underlying conditions, according to a study published online June 7 in JAMA Network Open. … 28.7 percent of patients had underlying medical conditions, most commonly asthma (10.2 percent) … Hospitalization was most strongly associated with type 1 diabetes (adjusted risk ratio [aRR], 4.60) and obesity (aRR, 3.07) …