CHICAGO (CBS) — Health officials have traced the source of an E. coli outbreak in four states to a company based in the north suburbs.

The Centers for Disease Control and Prevention issued a warning on Friday about I.M. Healthy Original Creamy SoyNut Butter.

READ MORE: Illinois Attorney General Now Investigating Center For Covid Control Amid Accusations Of Deception, Fraud Against Insurance Companies

The company, who’s headquarters are in Glenview, also issued a voluntary recall. So far, six people have been hospitalized, six others sickened by the SoyNut Butter — 11 of those cases are children.

READ MORE: Chicago Weather: Dangerous Subzero Temps, Lake Effect Snow In Some Areas

The affected jars have a “Best Buy” date of August 30 or August 31 of 2018.

MORE NEWS: Some Express Concern About Prospect Of 18-Year-Old Drivers Being Allowed To Drive Semi-Trailer Trucks Across State Lines

The CDC stresses the outbreak is likely to grow. Consumers are urged to seal jars tightly before disposing of them in the trash to ensure children and animals cannot get to them.