A sign hangs outside the Kellogg's factory near Manchester, Britain March 7, 2016.
A CDC statement Thursday advised consumers not to eat any of the cereal regardless of package size or "best by" date.
The FDA is sending out this reminder because it has learned some retailers are still selling the cereal.
And the Centers for Disease Control and Prevention says the number sickened in the outbreak has reached 100 people in 33 states, the two latest states with ill people being Colorado and Florida. Kellogg's contact information can be found on the FDA's official recall page.
Salmonella infections can cause illness, or death in rare cases.
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The agency is urging consumers to avoid Honey Smacks, a sugary puffed wheat cereal which has been the subject of a recall by the company since mid-June.
"Do not eat this cereal". Infections continued to climb, despite efforts by the FDA and CDC to warn consumers and retailers that the cereal has been recalled and should not be consumed or sold. About 450 people die in the United States each year from salmonella. No deaths have been reported in this outbreak. Sick people should tell their doctors about their possible exposure to Salmonella because special lab tests are required to properly diagnose the infections.
Symptoms last about four to seven days, and although most people improve without treatment, some may require hospitalization because of severe diarrhea.
Common effects of salmonella is the result of a fever, cramps, or diarrhea within 12 to 72 hours of being exposed to the bacteria.