No chicken, organic or conventionally raised, is completely free of pathogens. Seth Perlman/AP hide caption

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Concerns about salmonella contamination led Cargill to recall 36 million pounds of ground turkey sold under many different brand names, including these packages at a Kroger grocery store in Redwood City, Calif. Paul Sakuma/AP hide caption

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Your Health Podcast: Sleep-Inducing Drinks And 'Mulligan Stew'
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Reinhard Burger, president of the Robert Koch Institute, tells reporters in Berlin Friday that sprouts from a German farm are the cause of the country's massive foodborne illness outbreak. Michele Tantussi/AP hide caption

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German Officials Conclude Sprouts Are The E. Coli Culprit
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A closeup view of the bacterium behind the foodborne disease outbreak centered in Germany. Manfred Rohde/Getty Images hide caption

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Listen to Richard Knox's story on Morning Edition.
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