West Nile Virus

Acute

What is West Nile Virus?

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.

  • Fever.
  • Headache.
  • Body aches.
  • Skin rash on trunk of body.
  • Swollen lymph glands.

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. So, it is important to avoid mosquito bites.

West Nile virus is a single-stranded RNA virus that causes West Nile fever. It is a member of the family Flaviviridae, from the genus Flavivirus, which also contains the Zika virus, dengue virus, and yellow fever virus.

  • Avoid mosquito bites. Use mosquito spray, wipes or lotion when outside.
  • Keep mosquitoes out of your home. Maintain your door and window screens in good condition.
  • Get rid of places where mosquitoes lay eggs. Mosquitoes can breed in very small amounts of water, even bottle caps.

Severe illness can occur in people of any age; however, people over 60 years of age are at greater risk. People with certain medical conditions, such as cancer, diabetes, hypertension, kidney disease, and people who have received organ transplants, are also at greater risk.

How is it diagnosed?

How is it diagnosed?

No vaccine or specific medicines are available for West Nile virus infection. Antibiotics do not treat viruses. Rest, fluids, and over-the-counter pain medications may relieve some symptoms.

How is it treated?

Treatment for acute myeloid leukemia is vital. It varies with the patient and stage of the disease. Treatment options include

  • No vaccine or specific medicines are available for West Nile virus infection.
  • Rest, fluids, and over-the-counter pain medications may relieve some symptoms.
  • In severe cases, patients often need to be hospitalized to receive supportive treatment, such as intravenous fluids, pain medication, and nursing care.

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