(biology, microbiology) An infection in both directions among host species, including other than human, due to the growing number of nonhuman adenovirus genomes.
(pathology) Any pathogen that is transmitted from animals to humans. Specifically, it refers to infections that primarily affect animals but can be naturally transmitted to humans.
(biology) A hypothesis attempting to explain why most hosts of brood parasites care for the parasite's nestlings. Since the host's nest is attacked if the parasite's egg is detected and rejected, this indirectly enhances selective pressures favouring aggressive parasite behaviour that may result in positive feedback between mafia-like parasites and compliant hosts.
(biology) A reproduction strategy where a prey species produces many individuals in a group or cohort at a time that overwhelms the effect of predation of individuals, by satiating all predators and still having a large population remaining to continue the species until the next reproduction event.
The transmission of disease from humans to animals. Specifically it refers to diseases that are primary infections of humans but which can be naturally transmitted to animals. Examples include tuberculosis and human metapneumovirus.
Alternative form of zoonosis [(biology, microbiology) An animal disease, such as rabies or anthrax, that can be transmitted to humans.]
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