Stage 1 fire restrictions, enacted for unincorporated areas of western Boulder County.

Animal-Borne Disease (Vector Control)
mosquito larva in various stages of hatching, a raccoon on a balcony of a house, and a skunk in a yard

Animal-Borne Disease Control Program

The Boulder County Public Health Vector Control Program aims to prevent the spread of disease from vectors (animals) to humans.

Weekly Animal-Borne Disease Reporting

Week 29: July 14- July 20, 2024

Rabies

  • Six bats were submitted for testing. Four bats tested negative; one bat tested positive. Results for one bat are pending.
  • Boulder County has had three positive rabies specimens to date, all bats.
  • Statewide, 27 bats have tested positive for rabies in 2024.
  • In 2023, 55 specimens tested positive statewide for rabies: Bat (47), Skunk (8).

Mosquitoes

  • Nuisance (non-vector) mosquito counts were less than one-half of the five-year average for the week.
  • Culex (vector) mosquito counts were approximately one-third of the five-year average for the week.
  • Boulder County recorded its first positive West Nile pool this week.
  • 30 human cases of West Nile virus (WNV) have been reported nationwide. To date, five human cases of WNV have been reported in Colorado: Arapahoe (2), Delta (1), Mesa (1), and Weld (1).
  • Statewide, in 2023, 634 cases of WNV were reported, with 51 deaths. Boulder County recorded 29 cases.

Plague/Tularemia/Hantavirus

  • No specimens were submitted for plague, tularemia or hantavirus.

Animals Tested for Disease in 2024

SpeciesRabiesPlagueTularemiaHantavirus
Bat33000
Skunk0000
Raccon16000
Coyote0000
Fox1000
Cat0000
Dog0000
Squirrel0000
Prairie Dog0000
Rabbit0010
Flea0000
Other1000
Totals51010

Animals Positive for Disease in 2024

SpeciesRabiesPlagueTularemiaHantavirus
Bat3000
Skunk0000
Raccon0000
Coyote0000
Fox0000
Cat0000
Dog0000
Squirrel0000
Prairie Dog0000
Rabbit0010
Flea0000
Other3010

Contact Us


Vector Control Program

Main: 303-441-1564
Submit a question


Location

Boulder
3450 Broadway
Map and Directions
Hours: 8 a.m. to 4:30 p.m.
Monday-Friday

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