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A zoonosis (/ z oʊ ˈ ɒ n ə s ɪ s, ˌ z oʊ ə ˈ n oʊ s ɪ s / ⓘ; [1] plural zoonoses) or zoonotic disease is an infectious disease of humans caused by a pathogen (an infectious agent, such as a bacterium, virus, parasite, or prion) that can jump from a non-human vertebrate to a human.
A number of animals, wild or domesticated, carry infectious diseases and approximately 75% of wildlife diseases are vector-borne viral zoonotic diseases. [13] Zoonotic diseases are complex infections residing in animals and can be transmitted to humans. The emergence of zoonotic diseases usually occurs in three stages. Initially the disease is ...
Brucellosis [4] is a zoonosis caused by ingestion of unpasteurized milk from infected animals, or close contact with their secretions. [5] It is also known as undulant fever, Malta fever, and Mediterranean fever. [6] The bacteria causing this disease, Brucella, are small, Gram-negative, nonmotile, nonspore-forming, rod-shaped (coccobacilli ...
The company said epidemics caused by zoonotic diseases - known as spillovers - could be more frequent in future due to climate change and deforestation. Between 1963 and 2019, epidemics increased ...
A reverse zoonosis, also known as a zooanthroponosis (Greek zoon "animal", anthropos "man", nosos "disease") or anthroponosis, [1] is a pathogen reservoired in humans that is capable of being transmitted to non-human animals.
The One Health approach, which integrates animal, human, and environmental health, has emerged as a crucial tool for monitoring and mitigating the spread of infectious diseases. [43] Zoonotic diseases, originating from animal sources, pose a significant threat to human health. Up to 75% of emerging infectious diseases are zoonotic, originating ...
Psittacosis—also known as parrot fever, and ornithosis—is a zoonotic infectious disease in humans caused by a bacterium called Chlamydia psittaci and contracted from infected parrots, such as macaws, cockatiels, and budgerigars, and from pigeons, sparrows, ducks, hens, gulls and many other species of birds.
An animal caretaker collects a blood sample from a dairy calf vaccinated against bird flu at the National Animal Disease Center research facility in Ames, Iowa, on July 31.