Using the internet for rapid investigation of an outbreak of diarrhoeal illness in mountain bikers

In summer 2008, we investigated an outbreak of diarrhoeal illness in participants of a mountain-bike event in Wales (UK) which had been affected by heavy rain. We conducted a retrospective cohort study to investigate the cause using an internet-based questionnaire. Fifty-three percent of those conta...

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Bibliographic Details
Published in:Epidemiology and infection 2010-12, Vol.138 (12), p.1704-1711
Main Authors: GRIFFITHS, S. L., SALMON, R. L., MASON, B. W., ELLIOTT, C., THOMAS, D. Rh, DAVIES, C.
Format: Article
Language:English
Subjects:
Adolescent
Adult
Animals
Athletes
Biological and medical sciences
Campylobacter
Campylobacter - isolation & purification
Campylobacter and gastrointestinal infections
Campylobacter Infections - epidemiology
Campylobacter Infections - microbiology
Cohort analysis
Cohort Studies
Diarrhea
Diarrhea - epidemiology
Diarrhea - microbiology
Disease Outbreaks
Diseases
Email
Epidemics
Female
Food
Food contamination & poisoning
Fundamental and applied biological sciences. Psychology
gastrointestinal infections
Humans
Illnesses
Infections
Infectious diseases
Ingestion
Internet
Investigations
Male
Microbiology
Middle Aged
Mud
outbreaks
Questionnaires
Retrospective Studies
Sheep
Soil Microbiology
Staphylococcus infections
Surveys and Questionnaires
Telemedicine - methods
Wales - epidemiology
Young Adult
Zoonoses
Zoonoses - epidemiology
Zoonoses - microbiology
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Description
Summary:In summer 2008, we investigated an outbreak of diarrhoeal illness in participants of a mountain-bike event in Wales (UK) which had been affected by heavy rain. We conducted a retrospective cohort study to investigate the cause using an internet-based questionnaire. Fifty-three percent of those contacted responded, and 161 (46·5%) out of the 347 responders, reported gastrointestinal symptoms. Median day of onset was 3 days following the event. Ten riders reported receiving a laboratory-confirmed diagnosis of Campylobacter. Multivariate logistic regression analysis identified the inadvertent ingestion of mud (OR 2·5, 95% CI 1·5–4·2, P
ISSN:0950-2688
1469-4409
DOI:10.1017/S0950268810001561