West Nile, Here to Stay

By: Associated Press
By: Associated Press

National health officials say the West Nile virus is here to stay, and simple prevention efforts, such as wearing insect repellent, are the best way to manage the epidemic.

Center for Disease Control Director Doctor Julie Gerberding says she wasn't surprised human infections have risen since the disease spread south and west from New York, where it was first seen in 1999. The disease has been found in more than 100 people nationwide this year.

Gerberding says officials should spray for mosquitoes when the virus has been detected, and people should eliminate standing water to reduce risk.

Five Louisiana residents have died this summer of West Nile, a virus that can cause flu-like symptoms and sometimes potentially fatal swelling of the brain.

Wisconsin's first case this year found in a bird was reported in June. Last year 58 birds with the virus were found in Wisconsin.

No one in Wisconsin has been diagnosed with the disease.

Extended Web Coverage

West Nile virus Facts

  • The West Nile virus is a mosquito-borne virus that can cause encephalitis (an inflammation of the brain) or meningitis (inflammation of the lining of the brain and spinal cord) in humans and other animals.

  • The virus is named after the West Nile region of Uganda where it was first isolated in1937.

  • The virus appeared for the first time in the United States during a 1999 outbreak in New York that killed seven people.

How is the West Nile virus Spread?

  • The virus is spread to humans, birds and other animals through the bite of an infected mosquito.

  • A mosquito becomes infected by biting a bird that is carrying the virus.

  • West Nile virus is not spread from person to person, and no evidence indicates the virus can be spread directly from birds to humans.

  • Only a small population of mosquitoes are likely to be infected and most people bitten by an infected mosquito do not become sick.

  • 1 in 300 people bitten by an infected mosquito get sick.

  • 1 in 100-150 who get sick become seriously ill.

  • 3 to 15 percent of those seriously ill die.

Symptoms of the Virus

  • The symptoms generally appear about 3 to 6 days after exposure. People over the age of 50 are at a greater risk of severe illness.

  • Milder symptoms include: Slight fever, headache, body aches, swollen glands and/or sometimes a skin rash.

  • Severe symptoms include: High fever, intense headache, stiff neck, and/or confusion.

Protecting Yourself

  • Control mosquitoes from breeding around your home.

  • Wear long and light colored clothing.

  • Use insect repellent products with no ore than 20-30 percent DEET for adults and less than 10 percent for children.

  • Spray repellent on your hands and then apply to your face. Be sure repellent is safe for human skin.

  • Wash off repellent daily and reapply as needed.

Source: www.vdh.state.va.us contributed to this report


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