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A transmissible cancer is a cancer cell or cluster of cancer cells that can be transferred between individuals without the involvement of an infectious agent such as an oncovirus. [ 1 ] [ 2 ] The evolution of transmissible cancer has occurred naturally in other animal species, but human cancer transmission is rare. [ 2 ]
The virus can survive for long periods in water and at low temperatures, and can be spread from one farm to another on farm equipment. [46] Domesticated birds (chickens, turkeys, ducks, etc.) may become infected with avian influenza A viruses through direct contact with infected waterfowl or other infected poultry, or through contact with ...
Pterosaurs (informally called pterodactyls) are often called "flying dinosaurs" by popular media and the general public, but while pterosaurs were closely related to dinosaurs, dinosaurs are defined as the descendants of the last common ancestor of the Saurischia and the Ornithischia, which excludes the pterosaurs. [157]
The U.S. Department of Agriculture said this week that cow-to-cow transmission is a factor in the spread of bird flu in dairy herds, but it still does not know exactly how the virus is being moved ...
Different bird flu strains have been found in Australia and Mexico in humans, while different H5 subtypes are also present around the world in both animals and humans, in countries including China ...
Since 2022, bird flu in the United States has infected over 90 million chickens, more than 9,000 wild birds, 34 dairy herds, one person in Texas who came in close contact with infected cattle and ...
[25] [67] Worldwide, it is estimated that between 1,500 and 2,000 bird species, or roughly a fifth of the world's bird species, are predated somewhere by these falcons. The peregrine falcon preys on the most diverse range of bird species of any raptor in North America, with over 300 species and including nearly 100 shorebirds . [ 68 ]
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