Continuous source outbreak of campylobacteriosis traced to chicken

被引:76
作者
Pearson, AD
Greenwood, MH
Donaldson, J
Healing, TD
Jones, DM
Shahamat, M
Feltham, RKA
Colwell, RR
机构
[1] Univ Maryland, Ctr Marine Biotechnol, Inst Biotechnol, Baltimore, MD 21202 USA
[2] Publ Hlth Lab Serv, London NW9 5EQ, England
[3] Withington Hosp, Publ Hlth Lab, Manchester M20 8LR, Lancs, England
[4] Univ Maryland, Dept Microbiol, College Pk, MD 20742 USA
关键词
D O I
10.4315/0362-028X-63.3.309
中图分类号
Q81 [生物工程学(生物技术)]; Q93 [微生物学];
学科分类号
071005 ; 0836 ; 090102 ; 100705 ;
摘要
Poultry is a source of human campylobacteriosis, but a large continuous source outbreak, heretofore, has not been attributed to both a single source of poultry and single serotype of Campylobacter. Here we report an outbreak of C. jejuni affecting 6 catering college trainees and 13 patrons of a restaurant in southern England. An epidemiological investigation successfully tracked the outbreak source to the farm of origin. Frequency of occurrence of campylobacters and outbreak serotype distribution were determined in index cases, the local population, and local chicken suppliers. The source farm was investigated and the effect of interventions assessed. A single outbreak serotype of C. jejuni was isolated from trainee chefs, patrons, and chicken supplied to the college by Wholesaler A. The Campylobacter isolation rate for Wholesaler A was 89% (98% outbreak serotype), compared to 40% for non-Wholesaler A (10% outbreak serotype). The isolation rate for 14 months averaged 85% (99% outbreak serotype) in chickens grown on two farms (X and Y) supplying Wholesaler A, contributing similar to 40% to all local cases. In the research reported here, a specific strain and hygiene practice were found to be important for understanding transmission of Campylobacter from poultry to humans in this outbreak.
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页码:309 / 314
页数:6
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