As the reality of the contagious nature of the Coronavirus became apparent in 2020, cities across the United States grappled with its impact on their economies. While the Federal government waivered on issuing pandemic control mandates, the media began to expose the nascent science of how Covid-19 spreads. Places of indoor public gatherings like offices, theaters, sports arenas, rallies and eateries were determined to be loci-nexuses.