# Escherichia coli, Shiga toxin-producing outbreak — Pennsylvania, 2011-07
> **Water** · Confirmed · 16 ill / 9 hosp / 0 deaths
## Outbreak
- **NORS ID:** NORS-c76899eb4580
- **Date:** 2011-07
- **State:** Pennsylvania
- **Primary mode:** Water
- **Etiology:** Escherichia coli, Shiga toxin-producing (O157:H7)
- **Etiology status:** Confirmed
- **Setting:** Park - State Park
## Impact
- **Illnesses:** 16
- **Hospitalizations:** 9
- **Deaths:** 0
## Water exposure

- **Exposure:** Recreational water -- untreated
- **Water type:** Lake/Reservoir

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