Research and analysis

Gastrointestinal illness: outbreak investigation following a mass-participation River Thames swim

Epidemiological investigation into gastrointestinal illness following public swimming in the River Thames, London in 2012.


Epidemiological investigation of an outbreak of gastrointestinal illness following a mass-participation swim in the River Thames, London October 2012

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Following an open-water swimming event in the River Thames on 7 October 2012 with 1,100 competitors, the Health Protection Agency, now Public Health England, was made aware of several cases of gastrointestinal illness among participants on Friday 19 October. An outbreak investigation was initiated to describe the outbreak; identify factors associated with illness and explore illness following previous events.

Published 1 May 2013