2005 Outbreak of Norovirus Linked to Seven Layer Salad, Illinois

An Illinois power plant cafeteria lunch containing a seven-layer salad left 23 employees with a stomach illness. An investigation by the health department showed the source to be the contaminated salad. No food workers were ill. The source of the contamination was not determined.

Overview

Outbreak began:March 2005
Affected country:US
States/territories:IL
Pathogen:Norovirus
Vehicle(s):Salad
Location(s):Workplace cafeteria
Molecular test results:Not reported

Health impact

Total ill:23

Sources & documents

Report / reference links