2020 Outbreak of Norovirus Linked to an Ill Food Worker, Minnesota

In March 2020, Minnesota Department of Health (MDH) staff investigated an outbreak of norovirus associated with a restaurant in Minneapolis. Eight outbreak associated cases comprised of people from different dining parties were identified. The implicated meal date was March 8. No one was hospitalized and no one died. No cases submitted a stool specimen for testing.

Minneapolis Health Department (MHD) sanitarians visited the restaurant on March 11 to obtain food preparation and handling procedures and interview food workers about illness history and work duties. During the inspection, MHD staff noted there was intermittent hot water at all sinks. A plumber was present and working on the issue. The concentration of quaternary sanitizer in the cookline bucket was zero and no soap was available at the cookline hand sink.

The restaurant had reported to health officials that a staff person who had worked a double shift on March 8 had reported gastrointestinal illness beginning on March 9. Another employee developed gastrointestinal illness on March 12. One employee submitted a stool sample for testing. It was positive for norovirus GII.6.

Overview

Outbreak began:March 2020
Affected country:US
States/territories:MN
Pathogen:Norovirus
Vehicle(s):Ill foodhandler
Location(s):Restaurant
Molecular test results:norovirus GII.6

Health impact

Total ill:8

Sources & documents

Outbreak documents