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Hart Park virus
Hart Park virus, or HP virus, is a single-stranded RNA arbovirus that is primarily transmitted through mosquitoes. The HP virus is classified in the Rhabdoviridae family and is related to the viral agents that cause rabies and vesicular stomatitis. The exact date of discovery of this virus is uncertain, but its presence in the entomological community dates back as far as 1964. Because of its relatively recent discovery, its exact effect on hosts is uncertain. Currently, there is no known disease affiliated with the Hart Park virus.
== Transmission ==
The western encephalitis mosquito, or ''Culex tarsalis'', is one of the common mosquito vectors for the HP virus because of its prevalence in North America. Wild birds are the most frequent host of the HP virus because they are the target of blood-feeding ''Cx. tarsalis'' mosquitoes. Female ''Cx. tarsalis'' mosquitoes primarily feed on birds but in late summer, their blood feeding on larger mammals such as man increases. The host transition from birds to humans plays a huge role in the potential for widespread viral infections of the HP virus and similar strains. One important find from recent studies, is that the HP virus seems unable to be transmitted transovarially from infected females to their offspring. This restricts the direct spread of the virus because the progeny do not inherit the Hart Park virus from their maternal parent. The Hart Park virus does not currently have a disease related to its infection in other animals, but its transmission through feral birds is a cause for concern.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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