# Legionella pneumophila outbreak — Michigan, 2022-09
> **Water** · Confirmed · 4 ill / 4 hosp / 1 deaths
## Outbreak
- **NORS ID:** NORS-990fbbb9c38a
- **Date:** 2022-09
- **State:** Michigan
- **Primary mode:** Water
- **Etiology:** Legionella pneumophila (serogroup 1)
- **Etiology status:** Confirmed
- **Setting:** Factory/industrial facility
## Impact
- **Illnesses:** 4
- **Hospitalizations:** 4
- **Deaths:** 1
## Water exposure

- **Exposure:** Drinking water;Other/Environmental water
- **Water type:** Community

## Source
- [NORS Dashboard](https://wwwn.cdc.gov/norsdashboard/)
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