How is West Nile virus spread?
West Nile Virus is spread by infected mosquitoes. A mosquito is infected by biting a bird that carries the virus. West Nile Virus is not spread from one person to another, or directly from birds to humans.

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1. Who gets West Nile Virus infection?
2. How is West Nile virus spread?
3. I’ve gotten a mosquito bite. Should I be tested for West Nile Virus infection?
4. What are the symptoms of West Nile Virus infection?
5. How soon after exposure do symptoms appear?
6. Does past infection with West Nile Virus make a person immune?
7. What is the treatment for West Nile Virus infection? Is there a vaccine for West Nile Virus?
8. How can West Nile virus infection be prevented?