# Norovirus Genogroup II outbreak — Montana, 2016-11
> **Indeterminate/unknown** · Confirmed · 74 ill / 3 hosp / 0 deaths
## Outbreak
- **NORS ID:** NORS-85565090d3ba
- **Date:** 2016-11
- **State:** Montana
- **Primary mode:** Indeterminate/unknown
- **Etiology:** Norovirus Genogroup II (GII.4 Sydney)
- **Etiology status:** Confirmed
- **Setting:** Long-term care/nursing home/assisted living facility
## Impact
- **Illnesses:** 74
- **Hospitalizations:** 3
- **Deaths:** 0
## Source
- [NORS Dashboard](https://wwwn.cdc.gov/norsdashboard/)
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