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Flour-based cookie dough as a route of transmission of enterohemorrhagic Escherichia coli O157 infection.

Aside from food sources such as beef, the main infection routes for Enterohemorrhagic Escherichia coli (EHEC) O157 include contamination through livestock faeces, affecting soil in fields and environmental water, leading to tainted vegetables. However, there have been cases where seemingly unrelated foods have caused infections. An example from the US in 2009 involves a food poisoning incident from commercially packaged cookie dough made from wheat flour. This article introduces the paper by Dr. Neil and colleagues from the FDA, which summarises this incident.