Michigan county-level coronavirus data for Saturday, Aug. 1; 2 U.P. counties seeing surge

A Wisconsin public-health official blames “quarantine fatigue.”

A Michigan health officials points to laxer rules in Wisconsin regarding masks, bars and restaurants.

Whatever the reason, counties on either side of the Michigan/Wisconsin border in the Upper Peninsula are current hot spots for coronavirus.

Gogebic, which is Michigan’s westernmost county and includes the city of Ironwood, currently has Michigan’s highest coronavirus infection rate, with 34 new cases in...