PRODUCED BY THE SEATTLE TIMES CONTENT STUDIO

Coronavirus

How are Americans catching the coronavirus? Increasingly, ‘They have no idea’

When the coronavirus first erupted in Sioux Falls, South Dakota, in the spring, Mayor Paul TenHaken arrived at work each morning with a clear mission: Stop the outbreak at the pork plant. Hundreds of employees, chopping meat shoulder to shoulder, had gotten sick in what was then the largest U.S. virus cluster. That outbreak was...