# Legionella pneumophila;Legionella pneumophila outbreak — Massachusetts, 2019-09
> **Water** · Confirmed;Confirmed · 4 ill / 3 hosp / 0 deaths
## Outbreak
- **NORS ID:** NORS-e958b94c09f5
- **Date:** 2019-09
- **State:** Massachusetts
- **Primary mode:** Water
- **Etiology:** Legionella pneumophila;Legionella pneumophila (serogroup 1;serogroup other than 1-6)
- **Etiology status:** Confirmed;Confirmed
- **Setting:** Hospital
## Impact
- **Illnesses:** 4
- **Hospitalizations:** 3
- **Deaths:** 0
## Water exposure

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

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