Campylobacter jejuni

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Campylobacter jejuni


Animals and humans

Transmission/Exposure Routes

Fecal-oral, ingestion of contaminated food or water, and the eating of raw meat

Case Fatality Ratio

Does not commonly cause death, it has been estimated that approximately 124 persons with Campylobacter infections die each year.

Case Fatality Ratio
Case Fatality Ratio Pathway/conditions Population References
2.9 (95% CI: 1.9-40) Infected domestically

Within first month following illness

US (Ternhag et al, 2005)
0.3 (95% CI: 0.04-0.8) Infected Abroad

Within first month following illness

(Ternhag et al, 2005)

Incubation Period

3-5 days or up to a week (Medscape)

Burden of Disease

It is estimated to affect over 2.4 million persons every year, or 0.8% of the population (CDC).

Duration of infectiousness and disease



Asymptomatic Rates

Excretion Rates (see Exposure)



Gram-negative, spiral, and microaerophilic. Motile, with either unipolar or bipolar flagella, the organisms have a characteristic spiral/corkscrew appearance and are oxidase-positive

Environmental Survival

Recommended Dose Response Model

Dose response models for Campylobacter
Beta-Poisson, α is 0.14, N50 is 890.38

Betapoisson model.jpg


CDC Campylobacter Page
Ternhag A, Torner An, Svensson A, Giesecke J, and Ekdahl K. (2005) Mortality following Campylobacter infection: a registry-based linkage study. BMC Infectious Diseases. 5:70. Full Text