The National Weather Service has issued an Excessive Heat Warning for:
Pima, Pinal, Santa Cruz, and Yavapai counties through September 6
and has extended the excessive heat warning for La Paz and Yuma counties through September 8.
Daytime highs up to 113 degrees Fahrenheit are expected. with the potential to cause life-threatening illnesses or even death. Public cooling centers are available in some areas. Stay cool, stay hydrated, and stay informed.

The Centers for Disease Control and Prevention (CDC) has issued the following health advisories for vector-borne diseases:

For pregnant women, the CDC recommends reconsidering non-essential travel to Cuba.

What to do if you're a member of the public:
What to do if you're a health care provider:
  • Have increased suspicion of dengue and Oropouche virus infection for people with fever who have been in areas with dengue or Oropouche virus transmission within 14 days before illness onset.
  • If Oropouche virus infection is suspected, contact your local health department to consider testing at the Centers for Disease Control (specific criteria for testing are here and include a negative dengue test result).
  • If dengue is suspected, order the following diagnostic tests based on the timing of sample collection:
    • For zero to seven days from onset, test serum using PCR and IgM, or NS1 antigen and IgM.
    • For more than seven days from onset, test serum using IgM.

Advise pregnant women to reconsider non-essential travel to Cuba.