# Legionella pneumophila outbreak — Maryland, 2023-05
> **Water** · Confirmed · 2 ill / 2 hosp / 1 deaths
## Outbreak
- **NORS ID:** NORS-56fde15ac6f4
- **Date:** 2023-05
- **State:** Maryland
- **Primary mode:** Water
- **Etiology:** Legionella pneumophila (serogroup 1)
- **Etiology status:** Confirmed
- **Setting:** Residence - Multi-unit housing
## Impact
- **Illnesses:** 2
- **Hospitalizations:** 2
- **Deaths:** 1
## Water exposure

- **Exposure:** Drinking water
- **Water type:** Individual/Private

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