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Fight the Bite!

Mosquitoes are still biting in many areas of the country. Here are three ways you can reduce your risk:

  • Avoid Mosquito Bites
  • Mosquito-Proof Your Home
  • Help Your Community

Learn more...

Maps of West Nile Virus Activity

Map of West Nile Virus Activity 04
WNV activity
Includes human disease cases reported to CDC Updated October 12, 2004.
Reported viremic blood donors
National & state maps (including county-level data)
On U.S. Geological Survey site. In collaboration with CDC & ArboNet surveillance system.
2003 maps
2003 case count


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Page last modified October 12, 2004

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