Boulder County government offices closed Thursday, Nov. 28, and Friday, Nov. 29, for the Thanksgiving holiday.

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

Weekly Animal-Borne Disease Reporting

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

Week 35: August 25 – 31, 2024

Rabies

  • One bat was submitted for testing. Results are pending.
  • Boulder County has had seven positive rabies specimens to date, all bats.
  • Statewide, 47 bats and two domestic animals 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 over 3,000 below the five-year average for the week.
  • Culex (vector) mosquito counts were approximately 1,000 less than the five-year average for the week.
  • Boulder County recorded two positive West Nile Virus pools this week.
  • 407 human cases of West Nile virus (WNV) have been reported nationwide. To date, 30 human cases of WNV have been reported in Colorado: Adams (3), Arapahoe (3), Boulder (2), Broomfield (3), Delta (2), Denver (1), El Paso (1), Jefferson (2), Kit Carson (1), La Plata (1), Larimer (3), Mesa (1), and Weld (7).
  • 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
Bat66000
Skunk0000
Raccon18000
Coyote0000
Fox1000
Cat0000
Dog0000
Squirrel0000
Prairie Dog0000
Rabbit0010
Flea0000
Other1000
Totals86010

Animals Positive for Disease in 2024

SpeciesRabiesPlagueTularemiaHantavirus
Bat7000
Skunk0000
Raccon0000
Coyote0000
Fox0000
Cat0000
Dog0000
Squirrel0000
Prairie Dog0000
Rabbit0010
Flea0000
Other7010

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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