What to Do About Listeria

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Folks in the more susceptible groups may want to avoid the kinds of foods that have been most often linked to listeria contamination. That means no hot dogs (unless they are steaming hot) and no deli meats (unless you are prepared to reheat them). Soft cheeses, like brie, that are not highly acidic are another no-no, although baked brie should be safe.

If despite these precautions you become sick, be alert for any signs that your health is deteriorating. High fever, bloody diarrhea and other symptoms that persist for more than 24 hours all warrant a call to your physician, says Dr. Richard Roberts, a professor of family medicine at the University of Wisconsin Medical School. High-risk patients should not wait to see if they get worse before contacting a medical professional.

The key is to strike the right balance. Listeria can kill, but there are ways to minimize its risks. After all, nothing in life--even a steaming hot dog--is truly risk free.