Is West Nile virus bacterial or viral?
What Is West Nile disease? Viruses and bacteria can cause encephalitis (an inflammation of the brain) in humans and other animals. West Nile encephalitis is a mosquito-borne infection of the brain caused by West Nile virus, a close relative of St. Louis encephalitis virus.
Is the West Nile virus a vector or pathogen?
West Nile virus (WNV) is a neurotropic human pathogen that is the causative agent of West Nile fever and encephalitis. WNV was introduced into the Western Hemisphere during the late summer of 1999, when infected individuals were diagnosed in New York State (104, 125).
What parasite causes West Nile virus?
West Nile virus (WNV) is a mosquito-borne flavivirus (family Flaviviridae) found throughout the world.
What causes West Nile virus to spread?
West Nile Virus (WNV) Disease is spread by the bite of a mosquito infected with the virus. Mosquitoes become infected when they feed on infected birds. The infected mosquitoes can then spread the virus to humans and other animals.
Is West Nile A parasite?
West Nile virus is mainly transmitted to people through the bites of infected mosquitoes. The virus can cause severe disease and death in horses. Vaccines are available for use in horses but not yet available for people. Birds are the natural hosts of West Nile virus.
What type of disease is West Nile?
Humans get West Nile from the bite of an infected mosquito. Usually, the West Nile virus causes mild, flu-like symptoms. The virus can cause life-threatening illnesses, such as encephalitis, meningitis, or meningoencephalitis. There is no vaccine available to prevent West Nile virus.
What is the scientific name for the West Nile virus?
West Nile Virus (Flaviviridae)☆ West Nile virus (WNV, Flaviviridae; Flavivirus) is currently the most widely distributed arbovirus in the world.
Which is the best classification for West Nile virus?
The arboviruses are classified in families and genera, of which Togaviridae, Flaviviridae and Bunyaviridae are the best known. West Nile virus is present in Egypt, Israel, India and is widespread in parts of Africa, the northern Mediterranean area and Western Asia.
How does West Nile virus replicate?
West Nile virus (WNV) is a member of the genus Flavivirus in the family Flaviviridae. Flaviviruses replicate in the cytoplasm of infected cells and modify the host cell environment.
Which of the following best describes why West Nile virus?
Which of the following best describes why West Nile Virus is considered to be an emerging infectious disease? West Nile virus outbreaks have increased in number and affected areas since 1937.