Mosquito-borne illness · Vietnam
Dengue. No vaccine. Serious.
Vietnam's most common serious illness for travelers. Day-biting mosquitoes. Prevention is everything.
Where are you travelling?
Dengue risk
🟠 Moderate risk
✓ Malaria very low here
How to protect yourself
- DEET 30%+ or picaridin repellent — reapply through the day
- Aedes mosquitoes bite in DAYTIME — protect all day, not just evening
- Long sleeves / pants in rural areas + dawn and dusk
- AC or screened rooms; a mosquito net if you're rural
- Empty standing water around you (pots, gutters, buckets)
📋 Aligned with CDC / WHO guidance·Updated May 2026
General information, not medical advice. In an emergency, call 115.
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