The U.S. economy added 4.8 million jobs in June, but fierce new headwinds have emerged

The economy added 4.8 million jobs last month, based on a survey taken mid-month, sending the unemployment rate down to 11.1 percent — a sign of how many businesses were scrambling to emerge from the depths of the recession.

But new data also released Thursday by the Labor Department showed that 1.4 million people filed unemployment claims for the first time last week as many businesses reversed themselves and closed again during the surge in coronavirus cases. This trend has not fallen off in recent weeks.

This marked the 15th...