- Mosquito and Vector Control Association of California
- American Mosquito Control Association
- Map of U.S. current human WNV cases
- California WNV Surveillance Information Center
- California Vector-borne Disease Surveillance System
- Sutter County Health Department
- Yuba County Health Department
- UC Statewide Integrated Pest Management Program
- California Department of Food and Agriculture Animal Health Branch
- UC Davis Center for Equine Health
- Environmental Protection Agency and Mosquito Control
- Centers for Disease Control and Prevention
- U.S. Fish and Wildlife Service
- California Department of Fish and Wildlife
- World Health Organization