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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