The 2.4 million boxes of Duncan Hines cake mixes are being recalled nationwide after one flavor tested positive for salmonella, according to federal health officials and Conagra Brands, the food conglomerate that recently purchased the popular cake brand.

The Centers for Disease Control and Prevention has received reports of five illnesses, according to the Food and Drug Administration. Reports of additional illnesses are expected due to time lags between when an illness occurs and when the CDC receives confirmed lab results.

"The FDA is investigating the manufacturing facility recalled Duncan Hines cake mixes," an announcement posted late Monday by the agency stated. Salmonella Agbeni matched the Salmonella collected from the report to the CDC. "

The recall involves approximately 2.4 million boxes of the cake mixes, a Conagra spokesperson emailed CBS MoneyWatch.

The CDC is interviewing people sickened by the salmonella bacteria to determine whether they are eating Duncan Hines cake mixes before getting sick. "The recall notice stated that the products were raw and not baked".

Conagra Brands

Consumers were cautioned not to bake or consume the recalled mixes, distributed to retailers nationwide and to some international export markets. The recalled mixes include: 15.25-ounce Duncan Hines Classic White Cake, 15.25-ounce Duncan Hines Classic Yellow Cake, 15.25-ounce Duncan Hines Classic Butter Golden Cake and 15.25-ounce Duncan Hines Classic Butter Golden Cake. All have expiration dates of March 7, 2019, through March 13, 2019.

Classic Butchers, Classic Confetti, Classic Confetti, Classic Confectionery, Classic Confetti, Classic Confectionery and Classic Yellow – made during the same time period out of an abundance of caution, "the recall notice said.

Consumers with questions can call Conagra at 888-299-7646 or visit

Conagra said it would buy Pinnacle Foods – the Chicago company behind the Duncan Hines brand – valued at about $ 10.9 billion, Conagra, whose wide array of products include Orville Redenbacher and Chef Boyardee, generates nearly $ 8 billion in annual revenue.

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