- World wide distribution.
- Capable of causing widespread epizootics.
- Seroprevalence rates 0-54% of pet dogs and 0-80% of kennelled dogs. Can also infect dogs, coyotes, cats and pigs.
- Transmission is faeco-oral, but CCV infectivity in faeces decreases rapidly over 48 hours.
- It is not known if CCV carrier states occur.
- Reinfection common - pre-existing immunity generally does not provide good protection against subsequent infection.
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