West Nile Virus, 2008

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Please Be Aware!!

  • West Nile virus will return to Colorado every spring.
  • For the past 5 years mosquitoes infected with West Nile virus have been present in Larimer County.
  • Mosquitoes can carry West Nile virus from June until the first frost.
  • Until the first frost, it continues to be important to protect yourself from mosquito bites when you are outdoors.

Current Statistics - 2008

Larimer County Human Cases: 6
Colorado Human Cases: 31

Larimer County

Human WNV Risk:
       Elevated

WNV-positive mosquito pools: 17
   What is this?
WNV-positive Birds: 2
   (see Bird Information box)

Past Years Statistics

Bird Information

Certain birds (corvids) often die if they are infected with West Nile virus.

Dead birds are an early sign that West Nile virus is circulating in Larimer County.

Larimer County is now testing Corvids only for WNV. Please see the Corvid identification chart. If you find a dead Corvid please call 970-498-6775.

Please report all other dead birds to the Colorado Helpline at 1-877-462-2911.

Mosquito Control

At this time, Loveland, Windsor, Johnstown and certain HOAs are spraying for adult mosquitos.

For information about mosquito control or to report standing water, call:
   Fort Collins - 970-663-5697
   Loveland - 970-962-2583
   Larimer County - 970-498-6797
   Windsor - 970-962-2583
   Johnstown - 970-962-2583

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Spraying Maps

FAQ about Mosquito Control

Colorado Mosquito Control

National Pesticide Information Center

Mosquito Trap Information