# Legionella pneumophila outbreak — Michigan, 2021-10
> **Water** · Confirmed · 3 ill / 1 hosp / 0 deaths
## Outbreak
- **NORS ID:** NORS-afaa76ffe758
- **Date:** 2021-10
- **State:** Michigan
- **Primary mode:** Water
- **Etiology:** Legionella pneumophila (serogroup 1 and 6)
- **Etiology status:** Confirmed
- **Setting:** Recreational facility
## Impact
- **Illnesses:** 3
- **Hospitalizations:** 1
- **Deaths:** 0
## Water exposure

- **Exposure:** Recreational water -- treated
- **Water type:** Hot Tub/Spa/Whirlpool

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