# Norovirus unknown outbreak — Arizona, 2021-05
> **Person-to-person** · Confirmed · 3 ill / 3 hosp / 0 deaths
## Outbreak
- **NORS ID:** NORS-efbf527d41d7
- **Date:** 2021-05
- **State:** Arizona
- **Primary mode:** Person-to-person
- **Etiology:** Norovirus unknown
- **Etiology status:** Confirmed
- **Setting:** Hospital
## Impact
- **Illnesses:** 3
- **Hospitalizations:** 3
- **Deaths:** 0
## Source
- [NORS Dashboard](https://wwwn.cdc.gov/norsdashboard/)
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