What is listeria? Things to know about the bacteria and how to prevent infection

BALTIMORE — At least two cases of listeria have been linked to ice cream in the Baltimore metro area, prompting health and safety concerns. Listeria is a bacterium that can contaminate food and cause serious, sometimes fatal infections, particularly in pregnant women, newborns, the elderly and those with weakened immune systems, according to the Food and Drug Administration. Javascript is required for you to be able to read premium content.

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