Whooping cough hit Minnesota hard in 2012ST. PAUL – Whooping cough has hit Minnesota residents hard this year, with the biggest number of cases since World War II. More than 4,300 Minnesota residents had confirmed, probable or suspected cases of the respiratory infection called pertussis this year. There were 661 in 2011.
By: By Lorna Benson, MPR News 90.3 FM, INFORUM