Shutdowns swept across the United States, with nearly 7 million people in the San Francisco area all but confined to their homes Tuesday over coronavirus, even as spring break crowds flooded a Florida beach and dozens lined up to pose for pictures in front of the world-famous “Welcome to Las Vegas” sign.
The official reaction to the coronavirus emergency varied dramatically from place to place in the U.S., despite new, more urgent warnings from the Trump administration, which called on Americans not to gather in groups of more than 10 and advised older people to stay home.
Three states pressed ahead with their presidential primaries Tuesday. Ohio called off its primary hours before the polls were to open.