2023 Outbreak of Norovirus Genogroup II, Colorado

In May 2023, public health officials in Colorado investigated an outbreak of norovirus genogroup II. One hundred one people were ill. No one was hospitalized and no one died.

The vehicle of transmission was not reported. The setting was reported as "unknown."

Overview

Outbreak began:May 2021
Affected country:US
States/territories:CO
Pathogen:Norovirus
Vehicle(s):Unknown
Location(s):Unknown
Molecular test results:genogroup II

Health impact

Total ill:101

Sources & documents

Report / reference links