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
Zoonotic Disease Reporting for 2021
- Colorado reports six human West Nile virus (WNV) cases in Boulder County as of 9/17/2021.
- Boulder County submitted 3 mosquito pools for West Nile virus testing, two tested positive.
- For the season 144 WNV samples were submitted with 41 testing positive. This is a marked increase from previous years.
- Mosquito abundance (all species) and Culex species (WNV vectors) remained at historic levels through the season.
- Due to declining numbers and activity, mosquito control and surveillance operations have concluded for the year.
- Statewide, 64 specimens have tested positive for rabies in 2021 including three domestic animals:
- Miniature Horse (Adams County)
- Mule (Eagle County)
- Cat (Morgan County)
- To date, Boulder County reports 15 rabies positive specimens: Bat (6), Skunk (9).
- Five samples were submitted for rabies testing in week 36 with one skunk testing positive.
