covid-19July 12, 2020 Three Arizona teachers who shared a classroom got coronavirus. One of them died Three teachers who shared a summer classroom at a school in Arizona all contracted coronavirus last month, leaving one of them dead. Related posts U.K.'s Johnson launches mass testing…Do you need a Covid-19…What's behind workers' hesitation to…Fully vaccinated people can travel…Younger Latino men are Covid's…Salmonella infections in eight states…Salmonella infections in eight states…The U.S. isn't losing to…Virus-killing robot tested for use…In Covid fight, Cuba touts…