Variation in virulence among clades of Escherichia coli O157:H7 associated with disease outbreaks

摘要

Escherichia coli O157:H7, a toxin-producing Tood and waterborne bacterial pathogen, has been linked to large outbreaks of gastrointestinal illness for more than two decades. E. coli O157 causes a wide range of clinical illness that varies by outbreak, alt