Current challenges in combating the West Nile virus

hearing before the Subcommittee on Energy Policy, Natural Resources, and Regulatory Affairs of the Committee on Government Reform, House of Representatives, One Hundred Eighth Congress, second session, October 6, 2004 by United States. Congress. House. Committee on Government Reform. Subcommittee on Energy Policy, Natural Resources, and Regulatory Affairs.

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  • West Nile fever -- United States -- Prevention
The Physical Object
Paginationiii, 182 p. :
Number of Pages182
ID Numbers
Open LibraryOL17155159M
ISBN 100160745322
LC Control Number2005618118

  West Nile virus, a mosquito-borne infection that’s spread across the Americas in less than two decades, may be killing some of its victims slowly and quietly, researchers reported Monday. The West Nile virus was first identified in the West Nile district of Uganda in It is known to lethally infect horses, domestic birds and wild birds as well as humans. Until quite recently, the West Nile virus was confined to Eastern Europe, West Asia, the Middle East and Africa. However, outbreaks are now occurring in Western countries. Culex pipiens — the northern house mosquito — is the primary vector in the Midwest, says Goldberg, who has studied West Nile near Chicago for 10 years with National Science Foundation funds. “It breeds in standing water containing fermented organic material, exactly what we see in abandoned swimming pools, unclean gutters, bird baths and storm sewers — where water accumulates in wet. West Nile virus (WNV), a member of the family Flaviviridae, genus Flavivirus, was first isolated from the serum of a febrile woman in in the West Nile district of Uganda ().Following its original isolation, WNV was implicated as the cause of sporadic outbreaks of mild viral illness in Africa, the Middle East, western Asia, and Australia (Kunjin virus subtype) (2, 3).Cited by:

  The simultaneous emergences of encephalitis due to West Nile virus in the United States and in Rus69 reflect abundances of eclectic vector Cited by: West Nile virus (WNV) is an infection that is transmitted to humans primarily by mosquitoes that have bitten infected birds or other infected humans. Testing detects either the West Nile virus directly or antibodies produced in response to WNV infection in blood and/or cerebrospinal fluid (CSF).. West Nile virus is a member of the Flavivirus family, which includes viruses such as Zika, Yellow. Vector Control Program: West Nile Virus Prevention & Mosquito Control. The West Nile Virus Prevention Program reduces mosquito populations using safe integrated pest management techniques and provides environmental health information so that all citizens can participate in preventing the spread of West Nile Virus in the City and County of San Francisco.   Aug. 22, -- The West Nile virus outbreak is spreading, threatening to make this the worst year ever in the U.S., with 47 deaths now reported, .

West Nile virus (WNV) is spread by mosquitoes in many countries. There are usually no symptoms and it gets better without treatment. West Nile virus rarely affects UK travellers. Very few people coming back to the UK have the virus. No one has got the virus while in the UK. WNV is found in many parts of the world.   View CNN's West Nile Virus Fast Facts for symptoms and statistics about the disease spread by infected mosquitoes. WNV was first isolated and identified in from an infected person in the West Nile district of Uganda (Smithburn, et al., ). Since , infrequent human outbreaks, mainly associated with. West Nile is "extraordinarily good at adapting to this new environment," said Dr. Ian Lipkin of Columbia University, who helped pinpoint the virus in the epidemic.

Current challenges in combating the West Nile virus by United States. Congress. House. Committee on Government Reform. Subcommittee on Energy Policy, Natural Resources, and Regulatory Affairs. Download PDF EPUB FB2

Current Challenges in Combating the West Nile Virus: Hearing Before the Subcommittee on Energy Policy, Natural Resources and Regulatory Affairs of the on.

Get this from a library. Current challenges in combating the West Nile virus: hearing before the Subcommittee on Energy Policy, Natural Resources and Regulatory Affairs of the Committee on Government Reform, House of Representatives, One Hundred Eighth Congress, second session, October 6, [United States.

Congress. House. Committee on Government Reform. Get this from a library. Current challenges in combating the West Nile virus: hearing before the Subcommittee on Energy Policy, Natural Resources, and Regulatory Affairs of the Committee on Government Reform, House of Representatives, One Hundred Eighth Congress, second session, October 6, [United States.

Congress. House. Committee on Government Reform. West Nile virus (WNV) is a single-stranded RNA virus that causes West Nile is a member of the family Flaviviridae, specifically from the genus Flavivirus, which also contains the Zika virus, dengue virus, and yellow fever virus.

West Nile virus is primarily transmitted by mosquitoes, mostly species of primary hosts of WNV are birds, so that the virus remains within a "bird Family: Flaviviridae. As new cases of West Nile Virus begin to appear across the United States, Lucent Books offers a title with a timely discussion of this potentially devastating disease.

Author Melissa Abramovitz outlines the mechanics of virus transmission and how mosquito; All volumes in the series include primary and secondary quotations, annotated Author: Melissa Abramovitz.

West Nile. Diseases, 14 (5), – virus serosurvey and assessment of personal prevention efforts in Centers for Disease Control and Prevention.

Epidemic/epizo­ an area with intense epizootic activity: Connecticut, Annals otic West Nile virus in the United States: Revised guidelines for sur­ of the New York Academy of. West Nile virus (WNV) is the leading cause of mosquito-borne disease in the continental United States.

It is most commonly spread to people by the bite of an infected mosquito. Cases of WNV occur during mosquito season, which starts in the summer and continues through fall. There are no vaccines to prevent or medications to treat WNV in people.

An estimated 70% to 80% of people infected with West Nile virus (WNV) are asymptomatic. Most symptomatic people experience an acute systemic febrile illness that often includes headache, myalgia, or arthralgia; gastrointestinal tract symptoms and a transient maculopapular rash also are reported commonly.

Less than 1% of infected people develop neuroinvasive disease, which typically manifests. Ina deadly strain of West Nile virus struck parts of the northeastern United States. Caused by a virus from the family Flaviridae, genus Flavivirus, the disease was common in Africa and the Middle East.

Today, it can be found across North America, Europe, and Asia. West Nile can cause serious illness, and in severe cases, lead to encephalitis, a swelling of the brain, which can be fatal.

West Nile virus is a virus of the family Flaviviridae, found in both tropical and temperate regions. It mainly infects birds, but is known to infect humans, horses, cats, bats, chipmunks, skunks. Beforethe West Nile Virus was unknown in the Western hemisphere. Since then, however, each summer has shown it moving progressively across the United States starting in New York.

Such recurrent and steady movement means that the virus is here to stay. Transmitted by the bite of infected mosquitoes, the disease causes encephalitis, which is inflammation of the brain.

West Nile virus (WNV) was first isolated in Uganda (West Nile district) in from the blood of a native Ugandan woman [] and until the end of the 20 th century was considered a cause of viral encephalitis limited only in Africa and became a global public health concern after the virus introduction in North America and especially New York in [].Cited by: 7.

For West Nile virus, which has moved across the United States and into South America, we examined the most likely pathways of introduction to Hawaii, the Galapagos, and Barbados. We examined the only plausible pathways for WNV spread: when carried by people, wind-transported mosquitoes, mosquitoes hitching a ride on boats or planes, animals.

West Nile virus (WNV), a mosquito-borne illness, first emerged in the Western Hemisphere in in the New York City area and has since spread across the United States. Most people infected with WNV will have no symptoms.

About 1 in 5 people infected will develop a fever with other symptoms. Less than 1 percent of those infected will develop a serious, sometimes fatal, neurologic illness. West Nile virus was first identified in Africa in the s and made a jump to the Western hemisphere ineither through an infected traveler or animal, researchers say.

Over the last Virology and Molecular Biology of WNV. West Nile virus is a positive-stranded RNA virus in the family Flaviviridae (genus Flavivirus), which includes other human pathogens such as dengue, yellow fever, and Japanese encephalitis viruses [1, 2].The virion consists of an envelope surrounding an icosahedral capsid of approximately 50 nm in size.

West Nile encephalitis. West Nile encephalitis is a type of infectious encephalitis caused by West Nile virus. People usually become infected after being bitten by a mosquito, which has fed on an infected bird.

Guidelines for recovery. No two people with encephalitis have. Kumar D, Prasad GV, Zaltzman J, Levy GA, Humar A Community-acquired West Nile virus infection in solid-organ transplant recipients. Transplantation. ; – /TP O'Leary DR, Marfin AA, Montgomery SP, Kipp AM, Lehman JA, Biggerstaff BJ, The epidemic of West Nile virus in the United States.

The virus can infect humans, horses, birds, mosquitoes, and some other mammals. The course of human infection with West Nile virus is through the bite of an infected mosquito. The mosquitoes become infected when they dine on infected birds.

This article will help you prevent the spread of West Nile virus%(15). West Nile virus (WNV) is an infectious disease that first appeared in the United States in Infected mosquitoes spread the virus that causes it.

People who get WNV usually have no symptoms or mild symptoms. The symptoms include a fever, headache, body aches, skin rash, and swollen lymph glands. They can last a few days to several weeks. The West Nile virus is one of the many members of the genus Flavivirus that are known to cause human disease.

The life cycle of the West Nile virus involves the microbe's transmission from nonhuman animals to humans by way of Aedes, Culex, or Anopheles mosquitoes. the mosquito-borne West Nile Virus (WNV) was discovered in North America inthe public became concerned about the suddenly harmful consequences a mosquito bite may carry.

The final outputs of this project have helped identify at-risk communities, enhance virus planning and prevention planning, and help land developers seeking building. Many people remember the arrival of West Nile in North America inif only because the initial outbreak killed not just wild crows but also exotic birds in the Bronx Zoo.

The West Nile virus, first described in Uganda inarrived in New York City inkilling eight people in the city. Infected birds transmit the virus to mosquitoes, which then infect Author: Lena Sun.

West Nile fever — Approximately 25 percent of people who contract WN virus develop West Nile fever. This is a self-limited illness, usually characterized by fever, headache, tiredness, back pain, muscle aches, decreased appetite, and rash. When a person is infected with West Nile virus, the most serious form of the ensuing illness is termed “neuroinvasive disease”, because it affects a person’s nervous system.

Specific types of neuroinvasive disease include West Nile encephalitis, West Nile meningitis, or West Nile meningoencephalitis. West Nile Virus & Other Mosquito-borne Infections Emily Zielinski-Gutiérrez, DrPH W est Nile virus (WNV) can cause serious and sometimes fatal illness. This virus has been documented in the USA since and is most often spread through the bite of an infected mosquito.

InWNV. When dealing with West Nile Virus, prevention is your best defense. In this article, we'll discuss multiple precautionary measures that you can take at home to reduce your risk of contracting the West Nile Virus. Step 1 - Seek out and eliminate breeding sources.

Water sources are a vital element to the life cycle of a. West Nile virus infection is a growing concern in Europe. Vector management is often the primary option to prevent and control outbreaks of the disease. Its implementation is, however, complex and needs to be supported by integrated multidisciplinary surveillance systems and to be organized within the framework of predefined response plans.

The impact of the vector control measures depends on Cited by: In rare cases, West Nile virus has spread via blood transfusions, organ transplants, and from mother to child during pregnancy or during breast-feeding. But the vast majority of cases come from.

The recent West Nile virus outbreak is the largest ever seen in the United States, according to new numbers from the Centers for Disease Control and Prevention.Humans are susceptible to West Nile virus. Geographic Distribution West Nile viruses have been found throughout much of the world including Africa, Europe, Asia, the Middle East, Australia, the Americas and the Caribbean.

In some regions, the viruses do not seem to be endemic, but are re-introduced regularly by migratory wild birds. These viruses.

West Nile virus (WNV) is an arbovirus with increased global incidence in the last decade. It is also a major cause of human encephalitis in the USA. WNV is an arthropod-transmitted virus that mainly affects birds but humans become infected as incidental dead-end hosts which can cause outbreaks in naïve by: 5.