# Norovirus unknown outbreak — Massachusetts, 2019-10
> **Person-to-person** · Suspected · 4 ill / 1 hosp / 0 deaths
## Outbreak
- **NORS ID:** NORS-657a03dfef22
- **Date:** 2019-10
- **State:** Massachusetts
- **Primary mode:** Person-to-person
- **Etiology:** Norovirus unknown
- **Etiology status:** Suspected
- **Setting:** Shelter/group home/transitional housing
## Impact
- **Illnesses:** 4
- **Hospitalizations:** 1
- **Deaths:** 0
## Source
- [NORS Dashboard](https://wwwn.cdc.gov/norsdashboard/)
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