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2016 provisional data for the United States

  • Chikungunya virus disease became a nationally notifiable condition in 2015. Cases are reported to CDC by state and local health departments using standard case definitions.
  • As of January 17, 2017, a total of 175 chikungunya virus disease cases with illness onset in 2016 have been reported to ArboNET from 37 U.S. states (Table & Map). All reported cases occurred in travelers returning from affected areas. No locally-transmitted cases have been reported from U.S. states.
  • A total of 171 chikungunya virus disease cases with illness onset in 2016 have been reported to ArboNET from U.S. territories (Table). To date, 170 locally acquired cases and 1 travel-associated case have been reported from Puerto Rico.
  • Table. Laboratory-confirmed chikungunya virus disease cases reported to ArboNET by state or territory— United States, 2016 (as of January 17, 2017) [PDF - 1 page]

States reporting chikungunya virus disease cases – United States, 2016 (as of January 17, 2017)

	Map of the United States showing states reporting travel-associated chikungunya virus disease cases, including, Alabama, Arizona, Arkansas, California, Connecticut, Delaware, Florida, Georgia, Hawaii, Illinois, Iowa, Kentucky, Louisiana, Maryland, Michigan, Minnesota, Missouri, Montana, Nebraska, New Hampshire, New Jersey, New Mexico, New York, North Carolina, Ohio, Pennsylvania, Rhode Island, South Carolina, Tennessee, Texas, Virginia, Washington, and Wisconsin.

Downloadable version of above map [PDF - 1 page]

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