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Zika

Mosquito-borne virus

Primarily by daytime-biting Aedes mosquitoes (the same species that spread dengue and chikungunya).

Risk to travelers

Moderate

Vaccine

None

Global risk map

Risk level

High risk

Moderate risk

Low / sporadic

No known risk

Risk levels reflect overall risk for travelers and may vary by season and location.

🧬Transmission

Aedes mosquitoes + sexual

⏱️Incubation

3–14 days

📅Seasonality

Year-round in endemic areas

💉Vaccine

None · avoid travel in pregnancy

Risk by destination · top 6 of 64

🏳️El SalvadorHigh risk

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