# Norovirus unknown outbreak — Pennsylvania, 2015-04
> **Indeterminate/unknown** · Confirmed · 45 ill / 0 hosp / 0 deaths
## Outbreak
- **NORS ID:** NORS-dfac76b00fc7
- **Date:** 2015-04
- **State:** Pennsylvania
- **Primary mode:** Indeterminate/unknown
- **Etiology:** Norovirus unknown
- **Etiology status:** Confirmed
- **Setting:** School/college/university
## Impact
- **Illnesses:** 45
- **Hospitalizations:** 0
- **Deaths:** 0
## Source
- [NORS Dashboard](https://wwwn.cdc.gov/norsdashboard/)
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