Those who ate at China Buffet between April 9 and June 28, and are experiencing symptoms, are advised to call their health care provider, officials said.
Symptoms include fever, muscle aches, diarrhea, headache, stiff neck, confusion, loss of balance and convulsions.
Listeria infections during pregnancy can lead to miscarriage, stillbirth, premature delivery or a life-threatening infection in the newborn.
Symptoms of severe illness usually start one to four weeks after eating food contaminated with listeria but may start as early as the same day or as late as 70 days later, according to the advisory.