coronavirus illinois December 8, 2021 5:05 pm Omicron Could Lead to More Breakthrough COVID Cases The heavily-mutated omicron variant could lead to more breakthrough COVID cases in those who have received the vaccine and booster shot. NBC 5’s Chris Hush reports. Local 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 0:42 Republican Sen. Mike Braun wins the Republican nomination for governor of Indiana 2:12 New exhibit at Pullman House offers tours inside recreated homes 0:27 Emergency crews scramble to locate animals trapped in collapsed barn in McHenry County