Water contamination incident.
D015169:Colony Count, Microbial; D004739:England / Q000453:epidemiology; D004926:Escherichia coli / Q000302:isolation & purification*; D004927:Escherichia coli Infections / Q000382:microbiology* / Q000517:prevention & control; D006801:Humans; D014871:Water Microbiology; D014881:Water Supply