The recent Listeria outbreak linked to Boar's Head deli meats have received much national attention. Besides a massive recall of more than 7 million pounds of deli meat, this has been the largest Listeria outbreak in the US in more than a decade.

Joining me today to talk about listeria and the outbreak is Brenda Wilson, PhD. Dr Wilson is a professor of microbiology and adjunct professor of pathobiology at the University of Illinois Urbana-Champaign.

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