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        The Trouble with Antibiotics | Tracing E. coli Infections Back to the Food Supply

        Follow along with scientists as they attempt to trace a virulent strand of antibiotic-resistant E. coli found in humans back to the food supply in these videos excerpted from FRONTLINE: The Trouble with Antibiotics. Learn how an outbreak of life-threatening urinary tract infections in Flagstaff, Arizona, led scientists to investigate whether the meat we buy can be the source of E. coli infections in humans. This resource is part of the FRONTLINE Collection.

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        Infections Rise

        Learn about an outbreak of antibiotic-resistant urinary tract infections in Flagstaff, Arizona, that caught the attention of a genetic researcher.He hypothesized that drug-resistant bacteria on supermarket meat could be the source of the infections and began a study that would take several years.

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        Tracing the Source

        Find out how researchers used genomic mapping to show that E. coli found on meats in stores was genetically similar to some of the E. coli that caused infections in humans at the Flagstaff hospital.

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