Almost 2 million dozen shell eggs were voluntarily recalled after being linked to a widespread salmonella outbreak, health officials said.

The salmonella outbreak is impacting millions of cartons of eggs sold at several popular retailers and grocery stores in nine states, including Illinois.

More than 1.7 million eggs are being recalled. The Hilmar, Calif.—based company distributed the eggs between February and May. They were sold in nine states: Arizona, California, Illinois, Indiana, Nebraska, New Mexico, Nevada, Washington and Wyoming, the Associated Press reported.