Spread of E. coli is prevented simply by thorough hand-washing with soap, washing and hygienically preparing food, and properly heating/cooking food, so the bacteria are destroyed.
Escherichia coli O104:H4
Escherichia coli O104:H21
Escherichia coli O121
Escherichia coli O157:H7
Enteroaggregative Escherichia coli
Campylobacter upsaliensis
Salmonella enterica subsp. enterica
Salmonella