# Norovirus Genogroup I;Norovirus Genogroup II outbreak — Arizona, 2023-12
> **Person-to-person** · Confirmed;Suspected · 21 ill / 0 hosp / 0 deaths
## Outbreak
- **NORS ID:** NORS-433911f75d80
- **Date:** 2023-12
- **State:** Arizona
- **Primary mode:** Person-to-person
- **Etiology:** Norovirus Genogroup I;Norovirus Genogroup II (GI.P5 GI.5;GII.P17 GII.17)
- **Etiology status:** Confirmed;Suspected
- **Setting:** Hospital
## Impact
- **Illnesses:** 21
- **Hospitalizations:** 0
- **Deaths:** 0
## Source
- [NORS Dashboard](https://wwwn.cdc.gov/norsdashboard/)
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