anthroponosis

noun

1
: an infection or disease that is transmissible from humans to animals under natural conditions
The close contact between baboons and humans results in a high potential for the transmission of infectious diseases, from baboons to humans (zoonoses) and from humans to baboons (anthroponoses).Julian A. Drewe et al.
also : the process of transmitting infection or disease from humans to animals
The MERS coronavirus, for example, jumped from bats to camels to people. Reverse zoonosis, or anthroponosis, is the process of a pathogen going in the other direction, from humans to animals. Michael Kohn

called also reverse zoonosis, zooanthroponosis

2
: an infection or disease that is transmitted between people
Like dengue, epidemic chikungunya is an anthroponosis that does not require a nonhuman vertebrate amplifier host. This means that the estimated 3.6 billion persons in 124 countries at risk for dengue are at risk for chikungunya.Roger S. Nasci
anthroponotic adjective
anthroponotic disease
anthroponotic transmission

Word History

Etymology

anthropo- + -nosis (in zoonosis)

First Known Use

1962, in the meaning defined at sense 1

Time Traveler
The first known use of anthroponosis was in 1962

Browse Nearby Words

Cite this Entry

“Anthroponosis.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/anthroponosis. Accessed 25 Aug. 2026.

Medical Definition

anthroponosis

noun
1
: an infection or disease that is transmissible from humans to animals under natural conditions
… human-adapted variants of the SARS-CoV-2 coronavirus have infected numerous suitable carnivore hosts and caused lethal disease in at least one species, the American mink. Thus, SARS-CoV-2 infection may also be categorized as an anthroponosis … which may pose particular risk to carnivore species with distributions that overlap human-dominated landscapes, or species that occur in zoos.Barbara A. Han et al., Trends in Parasitology
also : the process of transmitting infection or disease from humans to animals
Anthroponosis has been found on every continent. For example, humans have transmitted tuberculosis to elephants in zoos, circuses and parks in the United States and France. … This particular mycobacterium anthroponosis is further encouraged by daily contact among captive elephants, vets, caretakers and the viewing public. Piers Beirne, The British Journal of Criminology

called also reverse zoonosis, zooanthroponosis

2
: an infection or disease that is transmitted between people
… Carrión's disease is not a zoonosis, but rather an anthroponosis, as a nonhuman animal reservoir of B. bacilliformis has never been identified.James M. Battisti et al., PLOS Neglected Tropical Diseases
anthroponotic adjective
anthroponotic transmission
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