Wellesley Health Department (WHD) received notice by the Massachusetts Department of Public Health’s (MDPH) surveillance system on June 12, 2013 of a case of E. coli in a Wellesley resident.

The public health nurse at WHD promptly began an investigation. This investigation has expanded to include the State health department (MDPH), as well as WHD staff.

It has been brought to the WHD’s attention that additional cases of E. coli will be included in the investigation.

The origin of the cases’ illness is being investigated.

Rumors have been circulating that the cause of the illnesses has been linked to a local supermarket. At this point, no local supermarkets are a focus of the investigation.

WHD will provide updates as warranted.