4 of Florida's 5 largest school districts to require masks

FORT LAUDERDALE, Fla. (AP) — As more large school districts defy Florida's ban on strict mask mandates, worries that rapidly spreading infections could force them to close classrooms are no longer theoretical: Thousands of schoolchildren are already being sent home, only days after their school year began.

Children — particularly those too young to get vaccinated against COVID-19 — are “really good” at transmitting the coronavirus, said Dr. J. Stacey Klutts, a special assistant to the national director of pathology and lab medicine for the entire Veterans Affairs system.

Klutts said the highly contagious delta variant makes it absolutely necessary to wear masks indoors and avoid large group gatherings, so if unprotected students sit for hours in classrooms every day, it could rapidly spread infection in the community at large.

“It’s terrifying. I’m afraid that we’re going to have a lot of really sick kids in addition to the spread which is going to be a lot of sick adults,” Klutts said.

School boards in Palm Beach, Miami-Dade and Hillsborough counties voted Wednesday to join Broward and Alachua in requiring students to wear facial coverings unless they get a doctor's note. With Orange County still allowing an easy parental opt-out, four of Florida's five largest districts are now defying Gov. Ron DeSantis' ban on strict mask mandates.

Students began their school year in Palm Beach County on Aug. 10 with a parental opt-out policy that allowed more than 10,000 children to attend classes without masks. The board reversed course after seeing the numbers: After just one week, 734 students and 112 employees had confirmed infections, and more than 1,700 students had been sent home home, Interim Superintendent Michael Burke said.

Hillsborough, which also began its school...