USA – Salmonella Outbreak Linked to Flour


Investigators are working to identify a specific brand of flour linked to this outbreak. However, any raw (unbaked) flour can have germs, like Salmonella. Do not eat or play with uncooked flour, dough, or batter.

Fast Facts
  • Illnesses: 12
  • Hospitalizations: 3
  • Deaths: 0
  • States: 11
  • Recall: No
  • Investigation status: Active
Bowl of cookie dough with a wooden spoon and chocolate chips
Salmonella in Raw Flour

Flour doesn’t look like a raw food, but most flour is raw. This means that it hasn’t been treated to kill germs that cause food poisoning. Any raw (unbaked) flour used to make dough or batter can be contaminated with germs like Salmonella, but Salmonella germs are killed when flour is cooked or baked. You can get sick after eating or tasting raw dough or batter. Children can get sick from handling or eating raw dough used for crafts or play clay.

Source of the Outbreak

Most people reported eating raw dough or batter made with flour before they got sick. Flour was the only common ingredient in the raw dough or batter people reported eating. Investigators are working to identify a specific brand of flour linked to illnesses.

What You Should Do
  • Do not eat raw dough or batter – even a small amount can make you or your child sick
    • Bake or cook food made with raw flour, like cookie dough or cake batter, before eating it.
    • Follow the recipe or package instructions for cooking or baking. Use the temperature and cooking time given in the recipe or instructions.
    • Buy heat-treated flour to use in recipes for homemade playdough.
  • Clean
    • Wash any bowls, utensils, and surfaces that touched raw flour with warm water and soap.
    • Wash your hands with warm water and soap before and after using raw flour.
  • Separate
    • Keep raw flour, dough, and batter separate from foods that won’t be cooked.
  • Call a healthcare provider right away if you or your child have:
    • Diarrhea and a fever higher than 102°F
    • Diarrhea for more than 3 days that is not improving
    • Bloody diarrhea
    • So much vomiting that you cannot keep liquids down
    • Signs of dehydration, such as:
      • Not peeing much
      • Dry mouth and throat
      • Feeling dizzy when standing up

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