1. E.coli found in Columbus water supply; boil order issued through Sunday

    E.coli found in Columbus water supply; boil order issued through Sunday

  2. E. coli found at Erin Hills hydration station

    E. coli found at Erin Hills hydration station

  3. E. coli found at Erin Hills hydration station

    E. coli found at Erin Hills hydration station

  4. Escherichia Coli Transformation Experiment Guide

    Escherichia Coli Transformation Experiment Guide

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  5. E-coli forces closure of Pewaukee Lake beach

    E-coli forces closure of Pewaukee Lake beach

  6. Baltimore residents getting discount on water bill after E. Coli outbreak

    Baltimore residents getting discount on water bill after E. Coli outbreak

  7. Hunt for source of Lake St. Clair's E. coli problems

    Hunt for source of Lake St. Clair's E. coli problems

  8. Romaine Lettuce-Linked E. Coli Outbreak Spreads

    Romaine Lettuce-Linked E. Coli Outbreak Spreads

  9. Lake Geneva teen thanks supporters after returning home from E. coli coma in Paris

    Lake Geneva teen thanks supporters after returning home from E. coli coma in Paris

  10. Lawsuits arise over the Arizona E. Coli outbreak

    Lawsuits arise over the Arizona E. Coli outbreak

  11. Teen infected with E. coli in Lee County

    Teen infected with E. coli in Lee County

  12. First US death in romaine lettuce E.coli outbreak

    First US death in romaine lettuce E.coli outbreak