An Excessive Heat Warning is in effect on July 23, 2014 for La Paz, Maricopa, Pinal, and Yuma Counties until July 24, 2014 at 8:00 PM. Learn more about how to stay safe in extreme heat and stay informed about future heat alerts.

Vector-Borne and Zoonotic Diseases Program


This program is responsible for monitoring, controlling and preventing diseases transmitted from animals or arthropod vectors to humans.

  • Performs West Nile virus surveillance and prevention
  • Monitors the occurrence and trends of vector-borne and zoonotic diseases through passive surveillance for human disease and epidemiologic investigations
  • Coordinates animal surveillance for zoonoses
  • Monitors the potential for transmission of infectious agents by vectors and recommends abatement and prevention measures
  • Provides information and guidelines for providers
  • Arranges for specialized laboratory testing for vector borne and zoonotic diseases of public health importance
  • Provides technical consultation to local health agencies
  • Assesses need for prophylaxis after potential exposure to rabies