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 30: July 26 – Aug. 1, 2026
Rabies
- To date, 55 animals have been submitted for rabies testing, and 5 have tested positive. In week 30, 5 bats were submitted for testing, and 2 samples were positive.
- Statewide, 33 animals have tested positive for rabies.
- In 2025, seven bats tested positive in Boulder County.
Mosquitoes
- Boulder County is reporting our first WNV-positive mosquito pool. WNV transmission risk remains low throughout the region.
- Culex mosquitoes (WNV vectors) and total mosquito counts (all species) remained below the five-year average.
- Seventeen sample pools were submitted for WNV/SLE testing. One pool collected from Longmont tested positive.
Plague/Tularemia/Hantavirus
- No specimens were submitted for plague or hantavirus this week.
