California's fresh vegetable industry on Tuesday began the daunting work of regaining consumer trust, even as government investigators focused on nine Salinas Valley spinach farms in their search for the source of a highly virulent strain of E. coli bacteria, which has sickened 131 people around the country, the Sacramento Bee reports.

One California legislator called for a "produce safety action plan" and regulations to protect consumers against future outbreaks of foodborne illnesses.

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