# Norovirus unknown outbreak — Montana, 2021-04
> **Person-to-person** · Suspected · 35 ill / 0 hosp / 0 deaths
## Outbreak
- **NORS ID:** NORS-e94ec7fe4865
- **Date:** 2021-04
- **State:** Montana
- **Primary mode:** Person-to-person
- **Etiology:** Norovirus unknown
- **Etiology status:** Suspected
- **Setting:** Long-term care/nursing home/assisted living facility
## Impact
- **Illnesses:** 35
- **Hospitalizations:** 0
- **Deaths:** 0
## Source
- [NORS Dashboard](https://wwwn.cdc.gov/norsdashboard/)
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