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Examples include, rabies, yellow fever and pappataci fever. [7] The viruses that infect other vertebrates are related to those of humans and most families of viruses that cause human diseases are represented. [8] They are important pathogens of livestock and cause diseases such as foot-and-mouth disease and bluetongue. [9]
The virus causes a lethal haemorraghic disease in domestic pigs. Some strains can cause death of animals within as little as a week after infection. In other species, the virus causes no obvious disease. ASFV is endemic to sub-Saharan Africa and exists in the wild through a cycle of infection between ticks and wild pigs, bushpigs and warthogs. [12]
Tobacco mosaic virus was the first virus to be identified, as an infectious agent that could pass through porcelain filters, as well as the first to be crystallised. It was among the earliest virus structures to be modelled successfully. Credit: Thomas Splettstoesser (20 July 2012) Portal:Viruses/Selected picture/3
The well-studied tobacco mosaic virus [26]: 37 and inovirus [45] are examples of helical viruses. Icosahedral Most animal viruses are icosahedral or near-spherical with chiral icosahedral symmetry. A regular icosahedron is the optimum way of forming a closed shell from identical subunits. The minimum number of capsomeres required for each ...
Viruses infect all forms of life, including animals, plants, fungi, bacteria and archaea. They are found in almost every ecosystem on Earth and are the most abundant type of biological entity, with millions of different types, although only about 6,000 viruses have been described in detail. Some viruses cause disease in humans, and others are ...
Gamma phage, an example of virus particles (visualised by electron microscopy) Virology is the scientific study of biological viruses.It is a subfield of microbiology that focuses on their detection, structure, classification and evolution, their methods of infection and exploitation of host cells for reproduction, their interaction with host organism physiology and immunity, the diseases they ...
Diseases in humans associated with viruses classified in this genus include measles; in animals, they include acute febrile respiratory tract infection and Canine distemper. [3] In 2013, a wave of increased death among the Common bottlenose dolphin population was attributed to morbillivirus.
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