# Pseudomonas aeruginosa outbreak — Maryland, 2021-04
> **Water** · Confirmed · 12 ill / 12 hosp / 4 deaths
## Outbreak
- **NORS ID:** NORS-984a307e1c34
- **Date:** 2021-04
- **State:** Maryland
- **Primary mode:** Water
- **Etiology:** Pseudomonas aeruginosa (unknown)
- **Etiology status:** Confirmed
- **Setting:** Hospital
## Impact
- **Illnesses:** 12
- **Hospitalizations:** 12
- **Deaths:** 4
## Water exposure

- **Exposure:** Drinking water
- **Water type:** Community

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