Areas at Risk for Chikungunya

Areas at risk for chikungunya

• Chikungunya virus circulates in tropical and subtropical regions.
• Chikungunya virus disease cases and outbreaks had been identified in more than 100 countries in the Americas, Africa, Asia, Europe, and the Indian and Pacific Oceans.
• The map and tables below show countries with current outbreaks and countries that have had evidence of chikungunya virus transmission among people within the last 5 years.
• The information on this page provides guidance for US travelers considering vaccination, based on available data. In some areas, data are not available because of variations in laboratory and surveillance capacity internationally. Information is not provided on previous chikungunya outbreaks or seasonal changes in transmission.
  

Countries and territories with a current chikungunya outbreak

CDC posts information when an outbreak occurs on CDC Travelers' Health website.

Countries and territories with evidence of chikungunya virus transmission among humans within the last 5 years (as of November 8, 2024)