Who is at risk of becoming ill from West Nile virus?

Who is at risk of becoming ill from West Nile virus?

Severe illness can occur in people of any age; however, people over 60 years of age are at greater risk for severe illness if they are infected (1 in 50 people).

How is West Nile virus prevented?

There is no vaccine to prevent WNV infection. The best way to prevent West Nile is to protect yourself from mosquito bites. Use insect repellent, wear long-sleeved shirts and pants, treat clothing and gear, and take steps to control mosquitoes indoors and outdoors.

How is the West Nile virus transmitted from person to person?

West Nile Virus Transmission Cycle Cdc-pdf[PDF – 1 page] West Nile virus is most commonly spread to people by the bite of an infected mosquito. Mosquitoes become infected when they feed on infected birds.

What to do if you get West Nile virus?

Fortunately, most people infected with WNV do not feel sick. About 1 in 5 people who are infected develop a fever and other symptoms. About 1 out of 150 infected people develop a serious, sometimes fatal, illness. You can reduce your risk of WNV by using insect repellent and wearing long-sleeved shirts and long pants to prevent mosquito bites.

How long do symptoms of West Nile Virus Last?

Most people infected with West Nile virus have only mild, flu-like symptoms that last a few days. Symptoms usually appear within 3 to 14 days of infection. About 20% of the people who become infected will develop West Nile fever.

How is the WNV virus maintained in mosquito populations?

WNV is maintained in mosquito populations through vertical transmission (adults to eggs). Birds are the reservoir hosts of WNV. In Europe, Africa, Middle East and Asia, mortality in birds associated with WNV infection is rare. In striking contrast, the virus is highly pathogenic for birds in the Americas.

What is the cure for West Nile virus?

There is no specific cure for West Nile virus. In mild cases, you should use the same remedies you would for other viruses, such as the flu: drinking plenty of water and fluids, resting in bed, and taking medication such as ibuprofen or acetaminophen to relieve fever and discomfort.

What are my chances of getting West Nile virus?

The odds of getting the most severe forms of West Nile disease are about one in 150. The overall death rate in severe disease is about 10%. That makes the overall odds of dying from a West Nile infection about one in 1,500. These odds aren’t the same for everyone.

How do people catch West Nile virus?

Typically, West Nile virus spreads to humans and animals via infected mosquitoes. Mosquitoes become infected when they feed on infected birds. You can’t get infected from casual contact with an infected person or animal. Most West Nile virus infections occur during warm weather, when mosquitos are active.

What is the prognosis of West Nile?

West Nile fever generally has an excellent prognosis. Most WNV infections (60%-75%) are asymptomatic and self-limited.