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Norovirus infection

Scientific name
Norovirus
Organism type
Virus
Symptoms
Diarrhea, vomiting, nausea, stomach pain.
Incubation period
12-48 hours
Transmission
Contaminated food/water, contact with an infected person, touching contaminated surfaces.

The leading cause of foodborne illness outbreaks in the U.S., highly contagious.

Limited data currently published for this disease

Public Health Trace does not yet have any commonly associated foods or any reported outbreak investigations for Norovirus infection. Everything below reflects only what has actually been published.

Provisional data. Reported case counts for the most recent weeks are provisional and subject to revision by CDC as more reports come in.

Reported case trend

There isn't enough reported data in this period to summarize a trend.

Reported cases by state

No states reported cases in this dataset for the selected period.

Case-level state data unavailable

CDC's weekly surveillance reports aren't currently linked to individual states in Public Health Trace's data (a known data-pipeline gap, not a lack of real activity). The map below, built from individual reported outbreak investigations instead, is a real, working substitute for state-level context on this disease.

Freshness unavailable for one or more included sources

This page describes reported surveillance data, not a diagnosis or individualized medical or treatment advice. If you believe you are experiencing symptoms of a foodborne illness, contact a healthcare provider. Read the full medical disclaimer.