International Journal of Biometeorology

, Volume 49, Issue 4, pp 207–214

Climate variability and campylobacter infection: an international study

  • R. Sari Kovats
  • Sally J. Edwards
  • Dominique Charron
  • John Cowden
  • Rennie M. D’Souza
  • Kristie L. Ebi
  • Charmaine Gauci
  • Peter Gerner-Smidt
  • Shakoor Hajat
  • Simon Hales
  • Gloria Hernández Pezzi
  • Bohumir Kriz
  • Kuulo Kutsar
  • Paul McKeown
  • Kassiani Mellou
  • Bettina Menne
  • Sarah O’Brien
  • Wilfrid van Pelt
  • Hans Schmid
Original Article

Abstract

Campylobacter is among the most important agents of enteritis in developed countries. We have described the potential environmental determinants of the seasonal pattern of infection with campylobacter in Europe, Canada, Australia and New Zealand. Specifically, we investigated the role of climate variability on laboratory-confirmed cases of campylobacter infection from 15 populations. Regression analysis was used to quantify the associations between timing of seasonal peaks in infection in space and time. The short-term association between weekly weather and cases was also investigated using Poisson regression adapted for time series data. All countries in our study showed a distinct seasonality in campylobacter transmission, with many, but not all, populations showing a peak in spring. Countries with milder winters have peaks of infection earlier in the year. The timing of the peak of infection is weakly associated with high temperatures 3 months previously. Weekly variation in campylobacter infection in one region of the UK appeared to be little affected by short-term changes in weather patterns. The geographical variation in the timing of the seasonal peak suggests that climate may be a contributing factor to campylobacter transmission. The main driver of seasonality of campylobacter remains elusive and underscores the need to identify the major serotypes and routes of transmission for this disease.

Keywords

Campylobacter Seasonal variation Food Surveillance Climate 

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Copyright information

© ISB 2004

Authors and Affiliations

  • R. Sari Kovats
    • 1
  • Sally J. Edwards
    • 1
  • Dominique Charron
    • 2
  • John Cowden
    • 3
  • Rennie M. D’Souza
    • 4
  • Kristie L. Ebi
    • 5
  • Charmaine Gauci
    • 6
  • Peter Gerner-Smidt
    • 7
  • Shakoor Hajat
    • 1
  • Simon Hales
    • 8
  • Gloria Hernández Pezzi
    • 9
  • Bohumir Kriz
    • 10
  • Kuulo Kutsar
    • 11
  • Paul McKeown
    • 12
  • Kassiani Mellou
    • 13
  • Bettina Menne
    • 14
  • Sarah O’Brien
    • 15
  • Wilfrid van Pelt
    • 16
  • Hans Schmid
    • 17
  1. 1.London School of Hygiene and Tropical MedicineLondonUK
  2. 2.Health Canada/University of GuelphCanada
  3. 3.Scottish Centre for Infection and Environmental HealthScotland
  4. 4.National Centre for Epidemiology and Population HealthAustralia
  5. 5.Exponent Health GroupUSA
  6. 6.Department of Public HealthMalta
  7. 7.Statens Serum InstitutDenmark
  8. 8.Wellington School of MedicineNew Zealand
  9. 9.Instituto de Salud Carlos IIISpain
  10. 10.National Institute of Public HealthCzech Republic
  11. 11.Health Protection InspectorateEstonia
  12. 12.National Disease Surveillance CentreIreland
  13. 13.Hellenic Centre of Infectious Disease ControlGreece
  14. 14.WHO Regional Office for EuropeDenmark
  15. 15.Health Protection AgencyUK
  16. 16.National Institute of Public Health and the EnvironmentThe Netherlands
  17. 17.Federal Office of Public HealthSwitzerland

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