California, Arizona, Florida and Texas all report record spikes in coronavirus cases
Kayenta Health Center staff prepare to practice with a new shield that just arrived to help protect medical workers when they intubate patients, in Kayenta, Ariz.
Carolyn Kaster | AP
Arizona, Florida, California and South Carolina all reported record-high single-day increases in coronavirus cases on Thursday as states continue to ramp up testing and the virus reaches new communities.
Ar…