In one report C. jejuni was isolated from 29% of dogs with diarrhoea compared with 4% of dogs without, but in other studies the isolation of C. jejuni from diarrhoeic and non-diarrhoeic dogs has been generally similar. Higher isolation rates have been reported from kennel dogs than from pet dogs.
- Younger animals are at greater risk of infection probably due to lack of previous exposure.
- Spread is via the faeco-oral route.
- Sources of the organism include faeces and contaminated meat products particularly of poultry and wild birds, and unpasteurised milk.
- Nosocomial infections are possible.
- Although canine campylobacteriosis can be zoonotic, infection of dogs and humans from a shared source is probably more common than dog-to-human transmission.
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