The Food and Drug Administration is warning consumers against eating raw dough or batter of any kind, and using dough for play clay or homemade ornaments.
The warning is due to an ongoing outbreak of illnesses related to a strain of E. coli bacteria found in some batches of flour.
The FDA said some of those who got sick had eaten or handled raw dough that contained flour made at a General Mills plant.
General Mills voluntarily recalled 10 million pounds of flour sold under the Gold Medal, Gold Medal Wondra and Signature Kitchen brands.
The CDC is also advising restaurants not to give children raw dough to play with while waiting for meals.