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What is Canine Distemper?

May 1, 2026

A tigress and her four cubs died in Kanha Tiger Reserve recently, prompting concerns over a Canine Distemper Virus outbreak.

About Canine Distemper:

  • It is a contagious and serious disease caused by the canine distemper virus (CDV).
  • The virus attacks the respiratory, gastrointestinal, and nervous systems of dogs and has a very high mortality rate.
  • All dogs are at risk of canine distemper. Those at particular risk include puppies younger than four months and dogs that have not been vaccinated against CDV.
  • CDV is a worldwide multi-host pathogen and is increasingly found in wildlife species, including carnivores, large felids, marine mammals, and non-human primates.
  • Transmission:
    • It is spread through direct contact or airborne exposure.
    • The virus does not last long in the environment and can be destroyed by most disinfectants.
    • However, the distemper-infected dogs can shed the virus for up to several months.
    • Once a dog is infected, the virus quickly spreads throughout the entire body and significantly weakens the immune system, leaving them susceptible to secondary infections.
  • Treatment:
    • There is no cure, and no antiviral drugs have been approved to combat the infection.
    • The best way to prevent canine distemper is through vaccination.

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