![State Hoping to Test for COVID-19 Immunity](http://townsquare.media/site/669/files/2020/04/Mayo-Clinic-Laboratories-for-convalescent-plasma-research-16x9-1-2048x1152.jpg?w=980&q=75)
State Hoping to Test for COVID-19 Immunity
ST. PAUL -- Minnesota could soon begin testing people for immunity to COVID-19.
During his daily news conference on Wednesday, Governor Tim Walz said a serology test is being developed by the Mayo Clinic that could determine whether a person has developed antibodies to the disease...