CDC Warns of 2 Listeria Outbreaks Linked to Packaged Salad | Health, Medicine and Fitness

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NEW YORK (AP) – U.S. health officials are warning the public not to eat certain brands of packaged salads, which they say are linked to two small, long-lasting outbreaks of listeria in which three people have died.

One outbreak is linked to packaged salads produced by Fresh Express and another to packaged salads produced by Dole. The outbreaks are caused by different strains of Listeria bacteria and there is no known link between them, the Centers for Disease Control and Prevention reported Thursday.

In the outbreak linked to Fresh Express, ten people in eight states were identified with the outbreak between 2016 and the end of October this year. All were hospitalized and one person in Pennsylvania has died.

This week, Fresh Express recalled several brands of salad products packaged with product codes Z324 through Z350. The CDC is telling people not to eat, sell or serve the recalled products.

A separate outbreak caused by a different strain was found on two packaged Dole salads. In this outbreak, 16 people in 13 states infected with the listeria strain were reported between August 2014 and mid-October of this year. That includes 12 people hospitalized and two – in Michigan and Wisconsin – who have died.

Dole recalled several brands of packaged salads this week with “best before” dates from November 30 to January 8.

It is not known where listeria originated from in either outbreak, but it is a resistant bacteria that can linger on surfaces in production facilities or other locations, officials say.

Symptoms of Listeria usually begin one to four weeks after eating contaminated food, but can start as early as the same day.

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