Skip to Main Content
The Excessive Heat Warning has been extended until Mon, Jun 26 at 8 PM.
Stay safe in the extreme heat, visit HeatAZ.org.
I Want to...
Individuals & Families
Disease Control & Prevention
Vector & Zoonotic Diseases
Dengue (pronounced den' gee) is:
A virus that is spread through mosquito bites - the same Aedes mosquitoes that can spread
Signs & Symptoms
The principal symptoms of dengue are:
High fever and at least two of the following:
Low white cell count
Mild bleeding manifestation (e.g., nose or gum bleed, petechiae, or easy bruising)
Muscle and/or bone pain
Severe eye pain (behind eyes)
Generally, younger children and those with their first dengue infection have a milder illness than older children and adults.
Watch for warning signs as temperature declines 3 to 7 days after symptoms began.
to an emergency room or the closest health care provider if any of the following warning signs appear:
Black, tarry stools (feces, excrement)
Bleeding from nose or gums
Drowsiness or irritability
Pale, cold, or clammy skin
Red spots or patches on the skin
Severe abdominal pain or persistent vomiting
Rocky Mountain Spotted Fever
St. Louis Encephalitis
West Nile Virus