covid-19May 20, 2020 These states have the most coronavirus cases. See the day-by-day breakdown. From New York to Washington, see the per-day count of new, confirmed COVID-19 cases in each state. Updated daily. 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…