# Norovirus Genogroup I;Norovirus Genogroup I outbreak — Michigan, 2018-12
> **Person-to-person** · Confirmed;Suspected · 8 ill / 0 hosp / 0 deaths
## Outbreak
- **NORS ID:** NORS-d6bf95c2d6b0
- **Date:** 2018-12
- **State:** Michigan
- **Primary mode:** Person-to-person
- **Etiology:** Norovirus Genogroup I;Norovirus Genogroup I (GI.P4 GI.5;unknown)
- **Etiology status:** Confirmed;Suspected
- **Setting:** Long-term care/nursing home/assisted living facility
## Impact
- **Illnesses:** 8
- **Hospitalizations:** 0
- **Deaths:** 0
## Source
- [NORS Dashboard](https://wwwn.cdc.gov/norsdashboard/)
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