West nile virus how long for symptoms

West Nile encephalitis or meningitis may lead to brain damage and death. One in ten people with brain inflammation do not survive. Call your health care provider if you have symptoms of West Nile virus infection, particularly if you may have had contact with mosquitoes. If you are very sick, go to an emergency room. There is no treatment to avoid getting West Nile virus infection after a mosquito bite.

People in good health generally do not develop a serious West Nile infection. Centers for Disease Control and Prevention website. West Nile virus. Updated June 3, Accessed March 8, Naides SJ. Arboviruses causing fever and rash syndromes. Goldman-Cecil Medicine. Philadelphia, PA: Elsevier; chap Flaviviruses dengue, yellow fever, Japanese encephalitis, West Nile encephalitis, Usutu encephalitis, St.

Louis encephalitis, tick-borne encephalitis, Kyasanur forest disease, Alkhurma hemorrhagic fever, Zika. URAC's accreditation program is the first of its kind, requiring compliance with 53 standards of quality and accountability, verified by independent audit. Learn more about A. The information provided herein should not be used during any medical emergency or for the diagnosis or treatment of any medical condition.

A licensed physician should be consulted for diagnosis and treatment of any and all medical conditions. Call for all medical emergencies. You may have heard about being prescribed…. Discover the causes of diarrhea and appetite loss, including stomach flu, celiac disease, and food poisoning. Most commercial bug repellents can cause health and environmental problems.

Learn about natural repellents that actually work. A headache is pain or discomfort that occurs in or around your head, including your scalp, sinuses, or neck. Nausea is a type of discomfort in your…. Yellow fever is a serious, potentially deadly flu-like disease spread by mosquitoes.

Dengue fever is a disease spread by mosquito bites. Dengue can be mild or severe. Health Conditions Discover Plan Connect.

Medically reviewed by Deborah Weatherspoon, Ph. Risk factors. Diagnosing the infection. Share on Pinterest. Facts and statistics. Preventing infection. Read this next. Mosquito Bite Symptoms and Treatments. Medically reviewed by Graham Rogers, M. Medically reviewed by Stacy Sampson, D. Bug Bites and Stings. Medically reviewed by Cameron White, M. How Are Diseases Transmitted?

Medically reviewed by University of Illinois. Medically reviewed by Elaine K. Luo, M. Medically reviewed by Debra Rose Wilson, Ph. Overview A mosquito-transmitted virus causes most cases of West Nile infection. Request an Appointment at Mayo Clinic. West Nile virus transmission cycle Open pop-up dialog box Close. West Nile virus transmission cycle When a mosquito bites an infected bird, the virus enters the mosquito's bloodstream and eventually moves into its salivary glands.

Share on: Facebook Twitter. Show references West Nile virus. Centers for Disease Control and Prevention. Accessed Nov. Petersen LR. Epidemiology and pathogenesis of West Nile virus infection. Clinical manifestations and diagnosis of West Nile virus infection. West Nile virus infection.

Mayo Clinic; Treatment and prevention of West Nile virus infection. Tosh PK expert opinion. Mayo Clinic. Related West Nile virus transmission cycle.