The CDC determined ground beef responsible for over 100 cases of illnesses. Time, Time

A Chicago area meat processor is recalling more than 50,000 pounds of ground beef over fears it may be contaminated with the same E. coli strain that caused an expanding 10-state outbreak.

Also, the first lawsuit has been filed as a result of the outbreak, which began in late March with officials in Kentucky and Georgia notifying the Centers for Disease Control and Prevention.

Melissa Carmicle, of Laurel County, Kentucky, has filed suit against K2D Foods, which does business as Colorado Premium Foods in Carrolton, Georgia, charging that she became ill in early March after eating E. coli-tainted beef