Experts call for disease-monitoring in dogs, cats

Most of the major new diseases of mankind will have an animal origin, experts have warned in calling for global monitoring of infectious diseases in dogs and cats.

Researchers say that while international health agencies monitor these diseases, they do so only for humans and livestock, not for companion dogs and cats.

A new study, led by Michael Day, Professor of Veterinary Pathology in the School of Veterinary Sciences at the University of Bristol in England, lists key infectious diseases that may be transmitted between dogs and cats and man, known as zoonotic diseases.

It was well recognised that most of the major new diseases of mankind would have an animal origin and dogs and cats were a potential source of such emerging diseases, the researchers, whose findings were published online in the journal, Emerging Infectious Diseases, said.

The World Small Animal Veterinary Association’s One Health Committee, which promotes the closer integration of human and animal healthcare in collaboration with the US Centers for Disease Control and Prevention, the World Organisation for Animal Health, and the World Health Organization, recommends in the paper a co-ordinated global disease monitoring system is established for veterinarians who work in small companion animal practice.

However, development of such a scheme would require significant political will, scientific application and financial support that could be achieved through a public-private partnership.

Knowledge gained through surveillance would permit more effective global control of small companion animal zoonoses and so reduce the risks inherent within this most fundamental of human relationships.

Canine rabies virus infection, one of the diseases listed in the paper, is estimated to kill a minimum of 55,000 people in Africa and Asia each year.

Professor Michael Day
Professor Michael Day

Professor Day said: “The number of small companion animals is significant.

“For example, there are an estimated eight to ten million dogs living in up to 31 per cent of UK homes and in the USA, 72 million dogs in 37 per cent of homes.

“In developed countries the relationship between man and dogs and cats has deepened, with these animals now closely sharing the human indoor environment,” Day said.

“The benefits of pet ownership on human health, well-being and development are unquestionable, but as dogs and cats have moved from the barn, to the house, to the bedroom, the potential for disease spread to humans increases.

“Control of diseases among dogs and cats is a good way to prevent spread to humans,” he said.

Small companion animals, most typically dogs and cats, are kept by people for companionship or a range of utilitarian purposes.

Dogs and cats have a close relationship with their human owners and play an important role in the cultures of both developed and developing communities.

The social and societal benefits of pet ownership are significant, with dogs now participating in programmes in institutions such as schools, prisons and hospitals, in addition to their role in family life.

In human, livestock and wildlife health, there are programmes of active surveillance for infectious disease, which monitor the global distribution and movement of key infectious agents.

For example, the World Health Organization monitors human influenza virus infection through a network of 111 centres in 83 countries. In contrast, there is no such monitoring for the infections that may be transmitted between small companion animals and man.


Surveillance of zoonotic infectious diseases transmitted by small companion animals, Day M J, Breitschwerdt E, Cleaveland S, Karkare U, Khanna C, Kirpensteijn J, Kuiken T, Lappin MR, McQuiston J, Mumford E, Myers T, Palatnik-de-Sousa CB, Rubin C, Takashima G, Thiermann A. Emerging Infectious Diseases, volume 18, issue 12, December 2012.



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