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The brownie mix dessert included in some breaded chicken-nugget meals shipped nationwide may be contaminated with salmonella, according to a public-health alert issued Thursday by the U.S. Department of Agriculture's Food Safety and Inspection Service.

The items produced by Conagra Brands Inc. affect 110,817 pounds of frozen meals, an FSIS news release states.

The FSIS public-health alert applies to the 7.4-ounce vacuum-packed trays of Banquet brand Chicken Nuggets with Mac & Cheese. The trays were produced Jan. 26 and have a "best if used by" date of July 20, 2018. Code 3100080921 and "P-9" also will be printed on the side of the box.

A supplier notified Conagra, based in Marshall, Mo., that an ingredient used in the brownie mix may be contaminated.

There have been no confirmed reports of food poisoning due to consumption of these products, but anyone concerned about an illness should contact a health-care provider. Symptoms include diarrhea, fever and abdominal cramps. Young children, older adults and people who have impaired immune systems are the most at risk.

Consumers with questions about the public-health alert can contact Conagra Brands Consumer Affairs at 800-289-6014. Consumers with food-safety questions also can "Ask Karen," the FSIS virtual representative available 24 hours a day at or via smartphone at