CDC health alert (level 2) — Chikungunya (Costa Rica)
Highupdated 3 months agoChikungunya cases have been confirmed in Costa Rica, with the outbreak affecting a wide area across the country.
- 500kmRadius of the affected area
What this changes for you, on the ground
Chikungunya cases have been confirmed in Costa Rica, with the outbreak affecting a wide area across the country. The virus is transmitted by mosquitoes, primarily during dawn and dusk hours. Health authorities have classified this as a level 2 alert, indicating sustained transmission in the region.
Read the full analysis
If you are on site, take precautions to avoid mosquito bites: use insect repellent on exposed skin, wear long sleeves and trousers when possible, and stay in air-conditioned or screened accommodations. Be aware of symptoms including fever, joint pain, and rash, which can appear three to seven days after infection. Seek medical attention if you develop these symptoms.
Follow local health authority guidance and check official travel advisories regularly. For medical concerns, contact local healthcare providers or your embassy. Contact your health provider before returning home if you suspect exposure. This alert is based on CDC travel health data.
Written with the help of AI from Mira Safe's sourced data on August 24, 2026 · does not replace local guidance How this analysis is produced →
Related events in this alert
The facts this alert is built on — the original one first, then what joined it.
How it evolved
- Alert raisedHighJuly 17, 2026 at 4:11 PM
A single entry: the alert has not changed state since it was raised.
Affected areas
Live safety pages for the places concerned by this alert.
Country
Cities in the area
Continent
Other ongoing alerts — Costa Rica
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