Time-series analysis of Campylobacter incidence in Switzerland

Wei, W; Schüpbach, Gertraud; Held, L (2015). Time-series analysis of Campylobacter incidence in Switzerland. Epidemiology and infection, 143(09), pp. 1982-1989. Cambridge University Press 10.1017/S0950268814002738

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SUMMARY Campylobacteriosis has been the most common food-associated notifiable infectious disease in Switzerland since 1995. Contact with and ingestion of raw or undercooked broilers are considered the dominant risk factors for infection. In this study, we investigated the temporal relationship between the disease incidence in humans and the prevalence of Campylobacter in broilers in Switzerland from 2008 to 2012. We use a time-series approach to describe the pattern of the disease by incorporating seasonal effects and autocorrelation. The analysis shows that prevalence of Campylobacter in broilers, with a 2-week lag, has a significant impact on disease incidence in humans. Therefore Campylobacter cases in humans can be partly explained by contagion through broiler meat. We also found a strong autoregressive effect in human illness, and a significant increase of illness during Christmas and New Year's holidays. In a final analysis, we corrected for the sampling error of prevalence in broilers and the results gave similar conclusions.

Item Type:

Journal Article (Original Article)

Division/Institute:

05 Veterinary Medicine > Department of Clinical Research and Veterinary Public Health (DCR-VPH) > Veterinary Public Health Institute
05 Veterinary Medicine > Research Foci > Veterinary Public Health / Herd Health Management
05 Veterinary Medicine > Department of Clinical Research and Veterinary Public Health (DCR-VPH)

UniBE Contributor:

Schüpbach-Regula, Gertraud Irene

ISSN:

0950-2688

Publisher:

Cambridge University Press

Language:

English

Submitter:

Susanne Agnes Lerch

Date Deposited:

23 Mar 2015 11:35

Last Modified:

02 Mar 2023 23:26

Publisher DOI:

10.1017/S0950268814002738

PubMed ID:

25400006

BORIS DOI:

10.7892/boris.65525

URI:

https://boris.unibe.ch/id/eprint/65525

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