Hitting Mosquitoes with All Available Tools
How integrated mosquito control can help prevent dengue Dengue is common in Puerto Rico. Outbreaks happen every few years, with cases occurring across the island. Bayamón, a…
CDC’s Most (un)Wanted Mosquitoes
WANTED: Aedes aegypti & Aedes albopictus There are over 200 types of mosquitoes in the United States. Most of these are nuisance mosquitoes. However, some types of…
Severe Dengue: Know the Warning Signs
Severe Dengue: Know the Warning Signs Dr. Liliana Sánchez-González, CDC, reviews an X-ray of a severe dengue patient with a colleague in Honduras. Dengue can be deceptive….
Areas with Risk of Dengue
Information for travelers As of September 02, 2026, Cuba met the criteria for being in the high transmission category and having 10 or more cases reported among…
Manage Dengue in Infants
At home care Control the fever Give acetaminophen (also known as paracetamol outside the United States). Always follow label instructions. Give cool water sponge baths. Give plenty…
Manage Dengue
If you think you have dengue See a healthcare provider if you develop a fever or have symptoms of dengue. Tell him or her about any recent…
Dengue and Blood Safety
Overview Most dengue virus infections are spread through mosquito bites. However, there have been rare cases of dengue virus spreading through blood transfusions. When they occur, these…
How Dengue Spreads
Through mosquito bites Dengue viruses are spread to people through the bites of infected Aedes species mosquitoes (Ae. aegypti or Ae. albopictus). These are the same types…
Symptoms of Dengue and Testing
Symptoms The most common symptom of dengue is fever with any of the following: Aches and pains (eye pain, typically behind the eyes, muscle, joint, or bone…
Preventing Dengue
Prevent mosquito bites Dengue is spread to people through the bite of an infected mosquito. Mosquitoes bite during the day and night. There is no widely available…