welcome back. in arkansas, 168 students and three teachers are in quarantine after their first week of school and with the delta variant spreading across the country, health experts say we can expect to see more covid outbreaks in schools this fall. jacqueline howard has more. >> reporter: schools i've talked to take different approaches. some schools are still working with local health departments to develop an outbreak plan. and they realize that they are working down to the wire. but with the delta variant circulating, they are not taking this task lightly. so denver public schools is one that is still developing plans and protocols with their local health officials. metro nashville public schools