Pig Cities and Swine Flu

Produced by: 
KBOO
Air date: 
Sun, 05/03/2009 - 5:00pm

 How has industrial farming produced the conditions for new diseases like the current  outbreak swine flu?  Rob Wallace writes the blog Farming Pathogens, and in this conversation with the Old Mole's Jan Haaken, he explains how cities of pigs and cities of poultry create breeding grounds for new pathogens.

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