What is World Zoonoses Day?

World Zoonoses Images and Photos
World Zoonoses Day, which takes place on July 6 every year, is a day to help raise awareness of the growing risk of zoonotic diseases, which are diseases that can be spread from animals to humans. It’s a risk that is often overlooked, however over 60% of infectious diseases in humans and 75% of emerging human diseases originated in animals, so it’s a risk that we at Merial take very seriously
World Zoonosis Day is also particularly important to us as it commemorates July 6, 1885, when Louis Pasteur successfully administered the first vaccine against, a zoonotic disease, to Joseph Meister after he had been mauled by a rabid dog.

What are Zoonoses?


Zoonoses are viral diseases like rabies and influenza, bacterial diseases such as Lyme disease and brucellosis, or parasitic diseases such as tapeworms. All of these are diseases that can be transmitted from animals to humans. With our broad range of vaccines and products that treat or prevent these and over 200 other animal diseases, Merial works hand-in-hand with veterinarians, governments, farmers and pet owners to provide health management solutions for animals

Why are the risks of Zoonotic Diseases increasing?

The speed with which diseases can spread from one region to another has greatly increased.”
There are a number of trends that underlie the emergence of zoonotic. Deforestation and the destruction of eco-systems are bringing people into closer contact with wildlife, For example, the use of bush meat as a food source has been linked to the emergence of several zoonotic diseases such as SARS and HIV. In addition, increased temperatures are expanding the ranges of disease vectors, such as mosquitoes or ticks, so areas where diseases did not exist before are being exposed to them for the first time, as observed with West Nile in the United States. Finally, globalization, the increase in international travel, and increased trade between nations, means that the speed with which diseases can spread from one region to another has greatly increased.

What are the impacts of zoonotic disease?

Zoonotic diseases can cause extensive human suffering and death. Rabies, a vaccine-preventable disease transmitted mostly by dogs, kills about 160 people per day. Influenza viruses circulating in farm animals can also give rise to human pandemics with dramatic consequences
Outbreaks of zoonotic disease can be devastating for the economies of both developed and developing nations. The 2014/2015 outbreak of avian influenza, or “bird flu”, in the U.S. led to 48 million birds being euthanised and was estimated to have caused economy-wide losses of around US$3.3 billion. Over the past decade, avian influenza has led to the culling of 200 million birds in Asia, resulting in economic losses of over US$10 billion.
* So Please Aware About this *Approximately 150 zoonotic diseases are known to exist. Wildlife serves as a reservoir for many diseases common to domestic animals and humans. Persons working with wildlife should be alert to the potential for disease transmission from animals. Neither animal handlers nor the general public have reason to be alarmed or frightened but everyone should respect the potential for disease transmission and use sound preventive measures. Generally, disease can be easily prevented than treated. Nowadays, there is effective prevention through advance measures in medical science and vaccination.

Zoonosis is derived from the Greek words zoon ‘animal’ and ????? nosos ‘ailment’.
Zoonosis (also spelled zoönosis and zoonoses) describes the process whereby an infectious disease is transmitted between species (sometimes by a vector) from animals other than humans to humans or from humans to other animals (the latter is sometimes called reverse zoonosis or anthroponosis). In direct zoonosis the agent needs only one host for completion of its life cycle, without a significant change during transmission.
In a systematic review of 1,415 pathogens known to infect humans, 61% were zoonotic.The emergence of a pathogen into a new host species is called disease invasion or ‘disease emergence’.
The emerging interdisciplinary field of conservation medicine, which integrates human and veterinary medicine, and environmental sciences, is largely concerned with zoonoses.

Most human prehistory was spent as groups of hunter-gatherers usually with fewer than 150 individuals that were not often in contact with other bands. Because of this, epidemic or pandemic diseases, which depend on a constant influx of humans who have not developed an immune response, tended to burn out after their first run through a population. To survive, a biological pathogen had to be a chronic infection, stay alive in the host for long periods, or have a non-human reservoir in which to live while waiting for new hosts to pass by. In fact, for many ‘human’ diseases, the human is actually an accidental victim and a dead-end host. (This is the case with rabies, anthrax, tularemia, West Nile virus, and many others). Thus, much of human development has been in relation to zoonotic, not epidemic, diseases.

The major factor contributing to the appearance of new zoonotic pathogens in human populations is increased contact between humans and wildlife. This can be caused either by encroachment of human activity into wilderness areas or by movement of wild animals into areas of human activity.

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