Over a period of 24 hours, many cornerstones of American life came to a halt. March Madness, Broadway, and even campaigning for the Democratic nomination -- were either cancelled or moved online -- all part of the nationwide effort to stop the spread of COVID-19. In San Diego, the county announced 5 more cases of the virus, and has banned gatherings of more than 250 people. For ongoing coverage, check out our live blog: https://www.sandiegouniontribune.com/business/liveblog/coronavirus-live-san-diego-business-updates-sycuan-casino-implements-hourly-disinfection-policy