Skip navigation

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

Results 1 - 3 of 3 for West Nile virus
  1. West Nile Virus (National Library of Medicine)  
    West Nile virus (WNV) is an infectious disease that first appeared in the United States in 1999. Infected mosquitoes ... and usually go away on their own. If West Nile virus enters the brain, however, it can be life- ...
  2. Insect Bites and Stings (National Library of Medicine)  
    ... diseases. In the United States, some mosquitoes spread West Nile virus. Travelers outside the United States may be at ...
  3. Mosquito Bites (National Library of Medicine)  
    ... are in people who traveled to other countries. West Nile Virus (WNV), a viral infection that often has no ...