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arbovirus

 
Dictionary: ar·bo·vi·rus   (är'bə-vī'rəs) pronunciation
n.
Any of a large group of viruses transmitted by arthropods, such as mosquitoes and ticks, that include the causative agents of encephalitis, yellow fever, and dengue.

[ar(thropod-)bo(rne) virus.]

arboviral ar'bo·vi'ral adj.
arbovirology ar'bo·vi·rol'o·gy (är'bō-vĭ-rŏl'ə-jē) n.

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Any of a large group of viruses that develop in arthropods (chiefly mosquitoes and ticks). The name derives from "arthropod-borne virus." The spheroidal virus particle is encased in a fatty membrane and contains RNA; it causes no apparent harm to the arthropod host. Arboviruses are transmitted by bites to vertebrate hosts, in which they establish infections and complete their growth cycle; they include the agents responsible for yellow fever and equine encephalitis. See also togavirus.

For more information on arbovirus, visit Britannica.com.

Medical Dictionary: ar·bo·vi·rus
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(är'bə-vī'rəs) or ar·bor·vi·rus (är'bər-)
n.

Any of a large group of viruses transmitted by arthropods, such as mosquitoes and ticks, that include the causative agents of encephalitis, yellow fever, and dengue.

Veterinary Dictionary: arbovirus
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(arthropod-borne) one that replicates in an arthropod, which acts as a vector in transmission of the virus to a susceptible vertebrate host in which replication also occurs. See also togaviridae, bunyaviridae, reoviridae, rhabdoviridae, arenaviridae.

Wikipedia: Arbovirus infection
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Arbovirus infection
Classification and external resources
MeSH D001102

Arbovirus is a shortened name given to viruses that are transmitted by arthropods, or arthropod-borne viruses [1].

Some Arboviruses are able to cause emergent disease. Arthropods are able to transmit the virus upon biting allowing the virus to enter the bloodstream which can cause viraemia.

The majority of the Arboviruses are spherical in shape although a few are rod shaped. They are 17-150 nm in diameter and most have an RNA genome (the single exception is African Swine Fever virus, which has a DNA genome). These viruses do not normally infect humans but if they do, they usually cause a mild infection such as a fever or a rash. Others however are epidemic and can cause serious infections such as meningitis and encephalitis that can be fatal.

There are ways of preventing these infections from occurring such as using mosquito repellents and getting rid of the breeding grounds that mosquitoes use. Insecticides can also be used. People can also reduce the risk of getting bitten by the mosquito by wearing protective clothing.

The immune system plays a role in defense against the infections. Arboviruses usually stimulate interferon. Antibodies are made and these can prevent viraemia from occurring. The cell mediated immunity is also important.

Arbovirus infections can be diagnosed by employing standardized laboratory techniques such as ELISA, Complement fixation, and polymerase chain reaction.

List of arboviruses of medical importance

References

  1. ^ "CDC Information on Arboviral Encephalitides". http://www.cdc.gov/ncidod/dvbid/arbor/arbdet.htm. Retrieved 2007-02-07. 

 
 
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Dictionary. The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2007, 2000 by Houghton Mifflin Company. Updated in 2009. Published by Houghton Mifflin Company. All rights reserved.  Read more
Britannica Concise Encyclopedia. Britannica Concise Encyclopedia. © 2006 Encyclopædia Britannica, Inc. All rights reserved.  Read more
Medical Dictionary. The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company Read more
Veterinary Dictionary. Saunders Comprehensive Veterinary Dictionary 3rd Edition. Copyright © 2007 by D.C. Blood, V.P. Studdert and C.C. Gay, Elsevier. All rights reserved.  Read more
Wikipedia. This article is licensed under the Creative Commons Attribution/Share-Alike License. It uses material from the Wikipedia article "Arbovirus infection" Read more