Abstract:
:Escherichia coli O157 infections cause an estimated 60 deaths and 73 000 illnesses annually in the United States. A marked summer peak in incidence is largely unexplained. We investigated an outbreak of E. coli O157 infections at an agricultural fair in Ohio and implicated consumption of beverages made with fairground water and sold by a geographically localized group of vendors who were all on the same branch of the fairground water distribution system. To examine county fair attendance as a risk factor for infection, we conducted two further epidemiological studies. In the first, we enhanced surveillance for E. coli O157 infections in 15 Northeast Ohio counties during the 2000 agricultural fair season and showed increased risk of E. coli O157 infection among fair attendees. In the second study, we examined Ohio Public Health Laboratory Information Service (PHLIS) data for 1999 using a time-varying covariate proportional hazards model and demonstrated an association between agricultural fairs and E. coli O157 infections, by county. Agricultural fair attendance is a risk factor for E. coli O157 infection in the United States and may contribute to the summer peak in incidence. Measures are needed to reduce transmission of enteric pathogens at agricultural fairs.
journal_name
Epidemiol Infectjournal_title
Epidemiology and infectionauthors
Crump JA,Braden CR,Dey ME,Hoekstra RM,Rickelman-Apisa JM,Baldwin DA,De Fijter SJ,Nowicki SF,Koch EM,Bannerman TL,Smith FW,Sarisky JP,Hochberg N,Mead PSdoi
10.1017/s0950268803001237subject
Has Abstractpub_date
2003-12-01 00:00:00pages
1055-62issue
3eissn
0950-2688issn
1469-4409journal_volume
131pub_type
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