Officials with the state Division of Public Health have confirmed three cases of listeriosis in Moore, Durham and Mecklenberg counties, and they said there is another probable case in Buncombe County.
Listeriosis is an infection caused by eating food contaminated with a bacteria. Outbreaks have been associated with consuming unpasteurized milk and contaminated soft cheeses, vegetables and ready-to-eat meats.
The disease primarily affects pregnant women, newborns and people with weakened immune systems.
The four cases all involve pregnant women. Three of the cases, including the probable case in Buncombe County, resulted in miscarriages. The other woman delivered her baby early.
The agency is cautioning pregnant women against consumption of soft cheeses, hot dogs, deli-style meats and prepared salads. Officials also said no one product seems to be the source of the outbreak.
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