World Zoonoses Day is observed every year on July 6 to commemorate the first vaccination administered against a zoonotic disease like Ebola, Avian influenza, and West Nile virus. Zoonosis is an infectious disease that spread from non-human animals to humans. Zoonotic pathogens can be bacterial, viral, or parasitic which can spread to humans through direct contact or through food, water, or the environment.
Zoonoses comprise a large percentage of all newly identified infectious diseases like HIV, Ebola virus disease and salmonellosis. They started as a zoonosis but later mutate into human-only strains. The first vaccination against a zoonotic disease was successfully administered on July 6, 1885, by a French biologist, Louis Pasteur. The day is also celebrated to raise awareness about the risk of zoonotic diseases and their prevention.
The theme of World Zoonoses Day 2021 is "Let's break the chain of zoonotic transmission"
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