# Norovirus unknown outbreak — Pennsylvania, 2012-01
> **Person-to-person** · Confirmed · 16 ill / 0 hosp / 0 deaths
## Outbreak
- **NORS ID:** NORS-e426d235471b
- **Date:** 2012-01
- **State:** Pennsylvania
- **Primary mode:** Person-to-person
- **Etiology:** Norovirus unknown
- **Etiology status:** Confirmed
- **Setting:** Hospital
## Impact
- **Illnesses:** 16
- **Hospitalizations:** 0
- **Deaths:** 0
## Source
- [NORS Dashboard](https://wwwn.cdc.gov/norsdashboard/)
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