A Large Outbreak of Antibiotic-Resistant Shigellosis at a Mass Gathering

In July 1987, a large outbreak of shigellosis occurred among attendees at a mass gathering in a national forest, the annual Rainbow Family Gathering. Sanitation in the campsite was poor, allowing wide spread transmission of disease, probably by food, water, and person-to-person spread. The attack ra...

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Bibliographic Details
Published in:The Journal of infectious diseases 1990-12, Vol.162 (6), p.1324-1328
Main Authors: Wharton, Melinda, Spiegel, Richard A., Horan, John M., Thuxe, Robert V., Wells, Joy G., Barg, Neil, Herndon, Joy, Meriwether, Rebecca A., MacCormack, J. Newton, Levine, R. H.
Format: Article
Language:English
Subjects:
Age Factors
Antimicrobials
Bacillary dysentery
Children
Disease Outbreaks
Disease transmission
Diseases
Dysentery, Bacillary - epidemiology
Dysentery, Bacillary - transmission
Epidemiology
Feces - microbiology
Female
Humans
Major Articles
Male
North Carolina - epidemiology
Public health
Sanitation
Shigella
Shigella sonnei
Shigella sonnei - isolation & purification
Surveys and Questionnaires
Citations: Items that cite this one
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Summary:In July 1987, a large outbreak of shigellosis occurred among attendees at a mass gathering in a national forest, the annual Rainbow Family Gathering. Sanitation in the campsite was poor, allowing wide spread transmission of disease, probably by food, water, and person-to-person spread. The attack rate may have been >50% among the estimated 12,700 attendees. The outbreak was caused by Shigella sonnei, resistant to ampicillin, tetracycline, and trimethoprim-sulfamethoxazole; the organism was of colicin type 9 and contained a 9O-kilobase plasmid not found in non-outbreakrelated strains. The dispersal of the group resulted in nationwide dissemination of the organism, and outbreaks in three states were linked to transmission from attendees at the Gathering. This outbreak demonstrates the potential for rapid dissemination of disease in such a setting and the necessity for careful planning of mass gatherings.
ISSN:0022-1899
1537-6613
DOI:10.1093/infdis/162.6.1324