species jump
species jump
The transfer of a pathogen, especially one considered species-specific, to a new host species, e.g., Hantavirus from mice to humans.
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References in periodicals archive
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While the number of viruses available to make such a species jump is unknown, studies such as that by Anthony and coworkers (1) provide rough estimates on the order of 320,000 currently circulating viral species in worldwide mammalian populations alone.
Emerging pathogens: the epidemiology and evolution of species jump.
Prof Sharp added: "We want to understand which genetic differences in SIVcpz and HIV-1 evolved after the species jump.
A critical early prevention strategy is to control animal populations and avert the species jump.
Because chimpanzees were killed for food in parts of sub-Saharan Africa, the species jump probably occurred when a hunter was exposed to the blood of an infected chimpanzee during its butchering.
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