The Centers for Disease Control and Prevention (CDC) is investigating a multistate outbreak of salmonella linked to Wonderful Pistachios.

Eleven people from nine states were infected with Salmonella Montevideo, according to the CDC. Two of the ill were hospitalized and no deaths have been reported.

Wonderful Pistachios issued a voluntarily recall on Wednesday of 46 lots of in-shell and shelled pistachios, which were sold under the brand names Wonderful, Paramount Farms and Trader Joe’s nationwide and in Canada.

The affected products can be identified with the lot code, printed on the back or bottom panel of the package, 1510123305901.

Symptoms and signs of salmonella infection include diarrhea, fever and abdominal cramps that last four to seven days. Most people recover without treatment.

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