1999 Outbreak of E. coli O157 in Clark County, Washington

A large outbreak of E. coli O157:H7 occurred among visitors to Battle Ground Lake, a state park in Clark County, Washington. All cases were children who had been swimming in the lake. Tests of lake water and sediment samples collected in early September, from the children's swimming area, identified E. coli O157:H7 in the sediment sample that matched the strain that had been isolated from the children.

Overview

Outbreak began:August 1999
Affected country:US
States/territories:WA
Pathogen:E. coli O157:H7
Vehicle(s):Recreational Water
Location(s):Lake
Brand name(s):Battle Ground Lake
Molecular test results:Not reported

Health impact

Total ill:37
Number hospitalized:8

Sources & documents

Report / reference links