Vaccines for Cows

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Marion NestleMarion Nestle is a professor of nutrition, food studies and public health at New York University.  She writes the blog Food Politics.  She has written numerous books including What to Eat and Pet Food Politics: The Chihuahua in the Coal Mine.


Tests are being done on a vaccine to immunize cows against a dangerous strain of E. Coli bacteria.



Evan Kleiman