zoonosis

noun

plural zoonoses zō-ˈä-nə-ˌsēz How to pronounce zoonosis (audio)
ˌzō-ə-ˈnō-ˌsēz
: an infection or disease that is transmissible from animals to humans under natural conditions
Among the zoonoses associated with dogs, cats, and birds, those with diarrhea as a predominant manifestation include cryptosporidiosis, giardiasis, campylobacteriosis, and salmonellosis. Peter Jesselet et al.
also : an infection or disease that is transmissible between animals and humans
bidirectional zoonosis
see also reverse zoonosis
zoonotic adjective
a zoonotic infection/disease
A zoonotic virus is a virus that lives naturally in an animal and can infect human cells, perhaps mutating slightly in the course of passage, which enables the virus to start a chain of infection through human hosts. Richard Preston

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Example Sentences

Recent Examples on the Web And the European Centre for Disease Prevention and Control has mentioned the possibility of reverse zoonosis — the virus moving from people into animal in Europe and gaining a foothold there. Helen Branswell, STAT, 4 June 2022 Experts in Africa have warned that monkeypox could change from a regionally widespread zoonosis to a globally relevant infectious disease. Tanya Lewis, Scientific American, 24 May 2022 Another theory is known as reverse zoonosis, Venter added. Michael Nedelman, CNN, 1 Apr. 2022 Worobey’s paper drew strong praise from those favoring the natural zoonosis theory. Joel Achenbach, Anchorage Daily News, 18 Nov. 2021 The degree to which reverse zoonosis increases the risks of pandemics or major outbreaks more broadly remains less clear. Stacey Mckenna, Scientific American, 20 May 2020 About 60 percent of human infectious diseases are zoonoses. David Quammen, Popular Science, 15 Oct. 2012 Rabies—like toxoplasmosis, malaria, Zika, typhus, the bubonic plague, and all flus—is a zoonosis, a disease that can make the leap from animal to human. Elisa Gabbert, Harper's Magazine, 25 May 2020 Some of them may be the result of unrecognised zoonoses. The Economist, 2 May 2020 See More

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'zoonosis.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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Word History

Etymology

probably alteration, by conformation to -osis, of French zoonose, from zoo- zoo- + Greek nósos "disease" — more at nosology

First Known Use

1873, in the meaning defined above

Time Traveler
The first known use of zoonosis was in 1873

Dictionary Entries Near zoonosis

Cite this Entry

“Zoonosis.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/zoonosis. Accessed 30 Sep. 2022.

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Medical Definition

zoonosis

noun

plural zoonoses -ˌsēz How to pronounce zoonosis (audio)
: an infection or disease that is transmissible from animals to humans under natural conditions
also : an infection or disease that is transmissible between animals and humans
bidirectional zoonosis

More from Merriam-Webster on zoonosis

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