At the University of Arizona, students and staff are using an app that lets them know if they’ve been exposed to someone who has tested positive for coronavirus
Arizona surpasses 100,000 of coronavirus cases becoming a new hotspot in the pandemic
COVID-19 cases spiked in the United States in late June, after some states began reopening and loosening restrictions. The number of confirmed coronavirus cases in the U.S. now top 2.5 million