West Nile Virus

West Nile virus is a potentially serious illness. Experts believe it is established as a seasonal epidemic in North America that flares up in the summer and continues into the fall. About one in 150 people infected with West Nile virus will develop severe illness. The severe symptoms can include high fever, headache, neck stiffness, stupor, disorientation, coma, tremors, convulsions, muscle weakness, vision loss, numbness and paralysis. These symptoms may last several weeks, and neurological effects may be permanent. Up to 20% of the people who become infected have symptoms such as fever, headache, body aches, nausea, vomiting, and sometimes swollen lymph glands or a skin rash on the chest, stomach and back. Symptoms can last for as short as a few days, though even healthy people have become sick for several weeks. Approximately 80% of people who are infected with West Nile virus will not show any symptoms at all.
West Nile Virus

West Nile virus Encephalitis is a mosquito-borne viral disease, which can cause an inflammation of the brain and can be a serious, even fatal, illness.

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Overview

Feature Articles

Latest West Nile Virus News and Research

Natural products a rich source for novel antiviral compounds

Natural products a rich source for novel antiviral compounds

Blight leads to increase in disease-carrying mosquitoes

Blight leads to increase in disease-carrying mosquitoes

Risk models for West Nile Fever may predict areas of future outbreaks a year in advance

Risk models for West Nile Fever may predict areas of future outbreaks a year in advance

Neanderthal gene can confer protection against severe COVID-19, finds study

Neanderthal gene can confer protection against severe COVID-19, finds study

Evolution of the spike gene of SARS-CoV-2 for human adaptation

Evolution of the spike gene of SARS-CoV-2 for human adaptation

Predicting future mamalian hosts of SARS-CoV-2

Predicting future mamalian hosts of SARS-CoV-2

No inflammation of cerebrospinal fluid in COVID-19 patients with neurological features, study finds

No inflammation of cerebrospinal fluid in COVID-19 patients with neurological features, study finds

West Nile virus-infected mosquitoes are abundant in lower-income areas of Baltimore

West Nile virus-infected mosquitoes are abundant in lower-income areas of Baltimore

Higher risk of West Nile virus infection in low-income urban neighborhoods in Baltimore

Higher risk of West Nile virus infection in low-income urban neighborhoods in Baltimore

Virginia Tech researchers awarded NIH grant to develop Zika virus vaccine

Virginia Tech researchers awarded NIH grant to develop Zika virus vaccine

Invasive alien species threaten biological diversity, shows study

Invasive alien species threaten biological diversity, shows study

Lung biomarkers may predict severe COVID-19

Lung biomarkers may predict severe COVID-19

Parkinson's disease diagnosed after SARS-CoV-2

Parkinson's disease diagnosed after SARS-CoV-2

Climate change could shift the spread of West Nile virus

Climate change could shift the spread of West Nile virus

Exponential rise in COVID-19 hospitalization risk with age due to waning T cell immunity

Exponential rise in COVID-19 hospitalization risk with age due to waning T cell immunity

Researchers explore social behavior of animals toward emerging infectious diseases

Researchers explore social behavior of animals toward emerging infectious diseases

Natural compund in cedar and grapefruit skin could help repel mosquitoes and ticks says CDC

Natural compund in cedar and grapefruit skin could help repel mosquitoes and ticks says CDC

Humans promote diseases from the animal kingdom

Humans promote diseases from the animal kingdom

CDC warns acute flaccid myelitis is poised for a comeback in kids this fall

CDC warns acute flaccid myelitis is poised for a comeback in kids this fall

Warming climate in Southern California may increase risk of West Nile outbreaks

Warming climate in Southern California may increase risk of West Nile outbreaks