Tracing the Source of the E-Coli Outbreak

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The E.coli outbreak in spinach has killed one person and made at least 113 people ill in 21 states.  The Food and Drug Administration has warned Americans not to eat fresh spinach until the problem is finally resolved.  But one professor of food safety says that means tracing ground water in the Salinas Valley which is more art than science.


Dean Cliver - Professor of Food Safety at UC Davis

Warren Olney

Frances Anderton