Learn how to treat and prevent West Nile virus disease. Learn the clinical signs and symptoms of West Nile virus disease. Know what tests to order to diagnose West Nile virus infection. Know the cause of West Nile virus disease and how it is transmitted. Link to additional information about West Nile virus in the United States.

What Is West Nile disease? Viruses and bacteria can cause encephalitis (an inflammation of the brain) in humans and other animals. West Nile encephalitis is a mosquito-borne infection of the brain caused by West Nile virus, a close relative of St. Louis encephalitis virus.

West Nile virus (WNV) is a disease caused by the bites of infected mosquitoes. It spreads during warm weather months when mosquitoes are most active. HOW IS WNV TREATED? There are no medicines to treat WNV infection or shots to prevent it. Over-the-counter pain medicines can be used to lower fever and other symptoms.

West Nile Virus Frequently Asked Questions What Is West Nile Virus? West Nile virus (WNV) is a potentially serious illness. Experts believe WNV is established as a seasonal epidemic in North America that flares up in the summer and continues into the fall. This fact sheet contains important information that can help you recognize and prevent West

West Nile virus (WNV) is a disease caused by the bites of infected mosquitoes. It spreads during warm weather months when mosquitoes are most active. Everyone is at risk of WNV infection, but people at most risk of serious illness are those over 50 years old or have a weak immune system. WNV can also infect animals like birds and horses.

2022年11月10日 · WebMD has answers to some common questions about West Nile virus. 1. How do people get infected with West Nile virus (WNV)? People get West Nile virus from the bite of a mosquito that has...

West Nile virus (WNV) is a mosquito-borne infection that can cause serious illness, and in some cases, death. Although a person's chances of getting sick are small, there are some simple steps you can take to reduce your risk of being bitten by mosquitoes.

What is West Nile virus? A. West Nile virus (WNV) is a significant public health concern. The California Department of Public Health considers it the most common and serious vector-borne disease in the state. WNV is a disease spread through the bite of infected mosquitoes. It can make people very sick and even cause death.

WNV is the main disease spread by mosquitoes in the U.S., including in California. People most often get infected with WNV during the summer and early fall when the mosquitoes that carry WNV are most active. WNV was first detected in California in 2003, and human cases of WNV have been reported each year in California since then.

Click here for comprehensive West Nile virus information, reports, and a map of statewide activity. West Nile Virus FAQs & Basics West Nile virus (WNV) is a mosquito-borne disease that was first detected in the United States in 1999.