State and federal officials are investigating a new outbreak of illnesses linked to an as yet unnamed restaurant.

The Food and Drug Administration has released little information about the outbreak except to say 13 people in one state are sick. All of their illnesses are linked to a single restaurant, according to an outbreak notice from the FDA. 

The ages of the sick people have not been released. The FDA has not reported whether any of the patients has required hospitalization. It also has not reported what symptoms the patients have had or whether any laboratory tests have been conducted.

The agency has begun traceback efforts, but has not indicated what food or foods are involved in the traceback.

The restaurant has suspended operations until further notice. The FDA has not reported where the restaurant is located. It also has not reported whether the 13 sick people were from one or multiple dining groups.

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