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Rabies, caused by the rabies virus, primarily infects mammals. In the laboratory it has been found that birds can be infected, as well as cell cultures from birds, reptiles and insects. [1] The brains of animals with rabies deteriorate.
[42] [43] Most animals can be infected by the virus and can transmit the disease to humans. Worldwide, about 99% of human rabies cases come from domestic dogs. [ 44 ] Other sources of rabies in humans include bats , [ 45 ] [ 46 ] monkeys , raccoons , foxes , skunks , cattle , wolves , coyotes , cats , and mongooses (normally either the small ...
3D still showing rabies virus structure. Rhabdoviruses have helical symmetry, so their infectious particles are approximately cylindrical in shape. They are characterized by an extremely broad host spectrum ranging from plants [citation needed] to insects [citation needed] and mammals; human-infecting viruses more commonly have icosahedral symmetry and take shapes approximating regular polyhedra.
An analysis of all the publicly available viral genome sequences yielded a surprising result: humans give more viruses - about twice as many - to animals than they give to us.
Lyssavirus (from the Greek λύσσα lyssa "rage, fury, rabies" and the Latin vīrus) [1] [2] is a genus of RNA viruses in the family Rhabdoviridae, order Mononegavirales. Mammals, including humans, can serve as natural hosts. [3] [4] The genus Lyssavirus includes the causative agent (rabies virus) of rabies. [5]
In 2024, there was also a rabies human death in Minnesota (contracted from a bat), [52] and a rabies human death in Kentucky (believed to have been acquired abroad). [53] Human exposure to the virus is dependent on the prevalence of the virus in animals, thus investigations into the incidence and distribution of animal populations is vital.
Different viruses can infect all the organs and tissues of the body and the outcomes range from mild or no symptoms, to life-threatening diseases. [5] Humans cannot be infected by plant or insect viruses, but they are susceptible to infections with viruses from other vertebrates. These are called viral zoonoses or zoonotic infections. [6]
A Chinese study says that tracking the H3N2 canine influenza virus for 10 years has shown adaptions that allow the dog flu to recognize a human-like receptor.