coronavirus illinois April 27, 2020 5:24 pm Doctor Explains How Plasma Can Be Used to Treat Coronavirus Patients Health officials are in the process of researching how plasma from people who have recovered from COVID-19 can be used to treat current patients. NBC 5 Regina Waldroup reports. Local 2:03 Indiana primary results yield fascinating matchups in gubernatorial, Senate races 1:38 Storms bring large hail to suburbs Tuesday 2:01 Barn collapses in Harvard during severe storms, killing multiple animals 1:44 Valerie McCray speaks after winning Democratic nomination for U.S. Senate in Indiana's primary election 3:12 Former superintendent Dr. Jennifer McCormick secures Democratic nomination uncontested in Indiana primary