Laramie County Mosquitoes Test Positive, Carriers of West Nile Virus | New


The city of Cheyenne detected the first pools, or group, of mosquitoes that tested positive for West Nile virus (WNV), this year in Laramie County. The test was confirmed by the Wyoming State Veterinary Lab.

The infected mosquitoes were collected from traps near the Sun Valley area and near Laramie County Community College during the week of August 8.e as part of the City’s ongoing mosquito monitoring efforts. Care should be taken across town as infected birds can carry the virus over long distances. No human cases have been reported this season. The last human case reported in Cheyenne was in 201seven. “This is typically the time of year when we expect to see an increase in West Nile virus activity, and these pools of positive mosquitoes confirm that,” said Jennifer Escobedo, supervisor of the Department of Health. Cheyenne-Laramie County Health.

Most mosquitoes do not test positive for pathogenic viruses. However, a bite from a mosquito infected with West Nile virus can cause severe illness and, in some cases, death. Although the chances of getting sick are low, people aged 50 and over are most at risk of serious illness. Not everyone infected with West Nile virus will get sick. However, West Nile can cause serious complications, including neurological illnesses, and can also cause milder flu-like illness, including fever, headache and body aches, nausea, and sometimes a rash and body aches. swollen lymph nodes. If you think you have symptoms of West Nile virus, see your doctor right away.

Mosquitoes lay their eggs in standing water. The eggs hatch into larvae which develop in water for 7-10 days before emerging into adult mosquitoes which fly and bite. Many types of mosquitoes, including those that can spread disease, lay their eggs in objects around the home, such as birdbaths, unused flowerpots, discarded tires, and even bottle caps. as well as in small ponds or other bodies of standing water. “The Department of Health and Cheyenne Weed & Pest will continue to visit all known mosquito breeding sites, including sites near these positive mosquito pools. Larvae control activities will continue throughout the summer. “, said Jennifer Escobedo.

The professionals at Cheyenne Weed and Pest and the Cheyenne-Laramie County Health Department Mosquito Control Program are doing everything they can to keep us all safe. We ask that you do your part by checking your property to remove any standing water where mosquitoes could breed..

Cheyenne Weed and Pest has pioneered ultra-low volume (ULV) truck spraying in areas where high numbers of mosquitoes can transmit West Nile virus. These trucks will pass through neighborhoods and recreation areas after sunset. You may see a strobe light and hear a small gear motor as they pass, but there’s no cause for alarm. More information on ULV truck spraying can be found at:

“Virtual” museum visits are good medicine for the elderly

Federal Data: Retail Sales Flat, Job Openings Decline

The best and most effective mosquito control starts in your backyard. Removing standing water is the first step to reducing mosquito breeding:

  • Check your property for ALL items that can hold water. Anything you choose to keep outdoors, such as children’s toys, buckets, paddling pools, canoes and wheelbarrows, should be turned upside down when not in use to prevent them from collecting water .
  • Drill holes in the bottom of recycling containers and remove any discarded tires.
  • If you have a pool or spa that is not in use, drain the water from the cover or treat standing water with Mosquito briquettes, and lay it accordingly. Briquettes are available from the Health Department, 100 Central Ave, Monday through Friday while supplies last. Call [mailto:(307)%20633-4090](307) 633-4090 or email [email protected] to arrange a pickup.
  • Tightly cover water storage containers (buckets, cisterns, rain barrels) so that mosquitoes cannot get inside to lay eggs. Use wire mesh with holes smaller than an adult mosquito for containers without a lid.
  • Use flying insect spray outside where mosquitoes are resting. Mosquitoes rest in dark, damp places like under patio furniture or under the carport or garage. When using insecticides, always follow label instructions.
  • If you have a septic tank, repair any cracks or gaps. Cover open ventilation or plumbing ducts. Use a wire mesh with smaller holes than an adult mosquito.
  • Make sure roof gutters drain properly, clear vegetation and debris from edges of ponds, and remove leaf debris from yards and gardens.

To reduce your risk of being bitten, use the 5D method by following these steps:

  • DUSK AND DAWN-Stay indoors when mosquitoes are most active.
  • DRESS – Cover yourself as completely as possible. Wear shoes and socks, long pants, and a long-sleeved shirt when outdoors for long periods of time or when mosquitoes are more active.
  • DRAIN – reduce the amount of standing water in or near your property by draining and/or removing it. Mosquitoes can lay eggs in areas of standing water.
  • DEET- Use insect repellent, which should always be applied according to label instructions. Do not use repellent on babies under 2 months. Do not use products containing oil of lemon eucalyptus (OLE) or para-menthane-diol (PMD) on children under 3 years of age.

For more information, call the health department at 307-633-4090 or visit the West Nile page at:


Comments are closed.