# Legionella dumoffii;Legionella pneumophila outbreak — California, 1980-12
> **Water** · Confirmed;Confirmed · 20 ill / 0 hosp / 0 deaths
## Outbreak
- **NORS ID:** NORS-4cfe863fd7fc
- **Date:** 1980-12
- **State:** California
- **Primary mode:** Water
- **Etiology:** Legionella dumoffii;Legionella pneumophila (serogroup 1)
- **Etiology status:** Confirmed;Confirmed
- **Setting:** Hospital
## Impact
- **Illnesses:** 20
- **Hospitalizations:** 0
- **Deaths:** 0
## Water exposure

- **Exposure:** Undetermined water
- **Water type:** —

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