Dengue
A viral infection spread mainly by Aedes mosquitoes.
Symptoms and what to notice
Fever with headache, eye pain, muscle or joint pain, nausea, vomiting, or rash.
How long can it last?
Symptoms typically last two to seven days; warning signs can appear as the fever falls.
How serious is Dengue?
Severe dengue can cause shock, internal bleeding, organ damage, and death. Warning signs need urgent care.
Treatment and management
No specific antiviral treatment. Fluids and monitoring are important; avoid aspirin and ibuprofen until dengue is ruled out.
Is there a vaccine—and who should receive it?
Dengvaxia distribution was discontinued and remaining U.S. doses expired in August 2026. As of September 2026, no dengue vaccine is available in the United States.
Official U.S. guidance
Read the current CDC guidance for Dengue →
Cost: Patient cost varies by insurance, provider, location, and eligibility. Many recommended vaccines are covered with no out-of-pocket cost under qualifying plans, and eligible children may receive vaccines through the Vaccines for Children program. CDC price lists are purchasing benchmarks—not guaranteed patient prices. CDC price context.