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

Plague Surveillance Maps

Human Plague Map Western USA - 1970-2004


Human Plague Map Western USA - 1970-1997