2015 final data for the United States
- In 2015, chikungunya virus disease became a nationally notifiable condition. Cases are reported to CDC by state and local health departments using standard case definitions.
- In 2015, a total of 895 chikungunya virus disease cases were reported to ArboNET from U.S. states for 2015 (Table & Map). One locally-transmitted case was reported from Texas. All other cases occurred in travelers returning from affected areas.
- A total of 237 chikungunya virus disease cases were reported to ArboNET from U.S. territories for 2015 (Table). Of these, 227 were locally-transmitted cases reported from Puerto Rico and the US Virgin Islands. The remaining 10 cases occurred in travelers returning from other affected areas.
- Table. Laboratory-confirmed chikungunya virus disease cases reported to ArboNET by state or territory— United States, 2015 Adobe PDF file [PDF – 1 page]
States reporting chikungunya virus disease cases – United States, 2015
- Page last reviewed: August 3, 2015
- Page last updated: February 16, 2018
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