# Norovirus Genogroup I;Norovirus Genogroup I outbreak — Massachusetts, 2017-07
> **Person-to-person** · Confirmed;Suspected · 21 ill / 1 hosp / 0 deaths
## Outbreak
- **NORS ID:** NORS-6d8397fbb549
- **Date:** 2017-07
- **State:** Massachusetts
- **Primary mode:** Person-to-person
- **Etiology:** Norovirus Genogroup I;Norovirus Genogroup I (unknown;GI.P7 other)
- **Etiology status:** Confirmed;Suspected
- **Setting:** Religious facility
## Impact
- **Illnesses:** 21
- **Hospitalizations:** 1
- **Deaths:** 0
## Source
- [NORS Dashboard](https://wwwn.cdc.gov/norsdashboard/)
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