# Norovirus Genogroup I outbreak — Puerto Rico, 2023-10
> **Indeterminate/unknown** · Confirmed · 27 ill / 0 hosp / 0 deaths
## Outbreak
- **NORS ID:** NORS-4256016aa03a
- **Date:** 2023-10
- **State:** Puerto Rico
- **Primary mode:** Indeterminate/unknown
- **Etiology:** Norovirus Genogroup I (unknown)
- **Etiology status:** Confirmed
- **Setting:** School/college/university
## Impact
- **Illnesses:** 27
- **Hospitalizations:** 0
- **Deaths:** 0
## Source
- [NORS Dashboard](https://wwwn.cdc.gov/norsdashboard/)
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