The order closes the U.S. off to tens of thousands of people hoping to work, lay down roots or even reunite with loved ones.

Mr. Trump backed away from suspending guest worker programs after business groups were angered at the threat of losing foreign labor. Justice Department lawyers are still studying the legality of the president’s order.

Context: Mr. Trump’s denigration of immigrants was the centerpiece of his 2016 presidential campaign. As he seeks re-election, the president has continued to stoke anti-immigrant sentiment to energize supporters.

Markets: Futures markets suggested moderately higher openings in the United States and Europe. Follow our live briefing.

Here are the latest updates about the pandemic as well as maps of the outbreak.

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