Minnesota is seeing the highest number of whooping cough cases in eight years. The state health department reports more than a thousand cases of the respiratory infection so far this year. Last year,

This 2016 illustration provided by the Centers for Disease Control and Prevention depicts Bordetella pertussis bacteria, which causes whooping cough, based on electron microscope imagery. (Meredith Newlove/CDC via AP) MILWAUKEE (AP) — Whooping cough is at its highest level in a decade for this time of year,

There have been 18,506 cases of whooping cough reported so far, the Centers for Disease Control and Prevention said. That’s the most at this point in the year since 2014, when cases topped