# Norovirus Genogroup II outbreak — Michigan, 2011-12
> **Person-to-person** · Confirmed · 51 ill / 0 hosp / 0 deaths
## Outbreak
- **NORS ID:** NORS-e9e5529469ed
- **Date:** 2011-12
- **State:** Michigan
- **Primary mode:** Person-to-person
- **Etiology:** Norovirus Genogroup II (GII.4 New Orleans)
- **Etiology status:** Confirmed
- **Setting:** —
## Impact
- **Illnesses:** 51
- **Hospitalizations:** 0
- **Deaths:** 0
## Source
- [NORS Dashboard](https://wwwn.cdc.gov/norsdashboard/)
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