West Nile Virus: Information for Providers

How to Test for and Report West Nile Virus

• Testing and Reporting Guidelines for Cases of West Nile Virus and Other Arboviral Infections (PDF, July 2023)


• NYS Department of Health Viral Encephalitis Testing Program
  • Information About the Program
  • Collection and Submission of Specimens for Viral Encephalitis/Meningitis Testing Instructions (PDF)
  • Infectious Disease Requisition (IDR) Form (DOH-4463)

Pesticide Poisoning

If you suspect a patient may have pesticide poisoning, you must report the case to both:

• NYC Poison Control Center, by calling 212-POISONS (212-764-7667)
• NYS Pesticide Poisoning Registry, by calling 800-322-6850

Additional Resources

• CDC: West Nile Virus 
• AABB: West Nile Virus Biovigilance Network

More Information

• West Nile Virus: Positive Mosquitoes
• West Nile Virus: Summary Data
• Mosquitoes