2023 Outbreak of Norovirus Genogroup II Associated with Iceberg Lettuce, Illinois
In November 2023, public health officials in Illinois investigated an outbreak of norovirus associated with a fast-food restaurant. Seventy-seven people were ill. One person was hospitalized. No one died.
The implicated vehicle of transmission was iceberg lettuce.
Overview
| Outbreak began: | November 2023 |
|---|---|
| Affected country: | US |
| States/territories: | IL |
| Pathogen: | Norovirus |
| Vehicle(s): | Leafy greens |
| Location(s): | Restaurant |
| Molecular test results: | genogroup II |
Health impact
| Total ill: | 77 |
|---|---|
| Number hospitalized: | 1 |
Sources & documents
| Report / reference links | ||
|---|---|---|