Record delta wave hits kids, raises fear as US schools open

In this Aug. 10 photo, students, some wearing protective masks, arrive for the first day of school at Sessums Elementary School in Riverview, Fla. (AP Photo/Chris O'Meara, File)

The day before he was supposed to start fourth grade, Francisco Rosales was admitted to a Dallas hospital with COVID-19, struggling to breathe, with dangerously low oxygen levels and an uncertain outcome.