Officials across the country curtailed many elements of American life to fight the coronavirus outbreak on Sunday, with health officials recommending that groups of 50 or more don't get together and a government expert saying a 14-day national shutdown may be needed.
Governors and mayors were closing restaurants, bars, and schools as the nation sank deeper into chaos over the crisis.
Travelers returning home from overseas trips were stuck in line for hours at major airports for screenings, causing them to be crammed into just the kind of crowded spaces that public health officials have been urging people to avoid.