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Chikungunya fever

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Chikungunya fever is an arboviral disease transmitted to humans by the bite of infected Aedes aegypti or A. albopictus mosquitoes. Chikungunya virus was first isolated from the blood of a febrile patient in Tanzania in 1953. Outbreaks of Chikungunya fever have occurred in many areas of Africa, Asia, Europe, and the Pacific islands. In 2013, for the first time Chikungunya virus was identified in the Americas on islands in the Caribbean. Chikungunya disease rarely occurs in the United States and reported cases are usually associated with travel to a high-risk area. Five cases of Chikungunya virus infection have been reported in travel-associated Wisconsin residents since 2006.

Arboviral diseases home

General information

Data and statistics

Graph of total cases of travel associated Chikungunya in Wisconsin from 2006 to 2014 by year of onset.

Map of total cases of travel associated Chikungunya  in Wisconsin from 2006 to 2014.

Prevention

Some tips to protect yourself:

  • Use effective mosquito repellant and apply according to the label instructions.
  • Wear long-sleeved shirts, long pants, socks, and shoes.
  • Mosquitoes may bite through thin clothing, so spraying clothes with a repellent containing permethrin or DEET will give extra protection. These repellants are the most effective and most studied.
  • Avoid being outside during times of high mosquito activity, specifically around dawn and dusk.
  • Keep window screens repaired so that mosquitoes cannot enter your home.
  • Dispose of discarded tires, cans, or plastic containers left outside that may contain standing water.
  • Drain standing water from pool or hot tub covers.
  • Turn over plastic wading pools and wheel barrows when not in use.
  • Change the water in bird baths, pet dishes and wading pools every 3-4 days.
  • Keep drains, ditches and culverts clean of trash and weeds so water will drain properly.
  • Clean gutters to ensure they drain properly.

For more information, Using Insect Repellants Safely - CDC

Information for health professionals

This is a Wisconsin disease surveillance category II disease: 
Report to the patient's local public health department electronically, through the Wisconsin Electronic Disease Surveillance System (WEDSS), by mail or fax using an Acute and Communicable Disease case report F-44151 or by other means within 72 hours upon recognition of a case.
Information on communicable disease reporting

Wisconsin case reporting and public health follow-up guidelines Arboviral diseases EpiNet 
Arbovirus case report form
2014 Arbovirus management protocol  

Contacts

Wisconsin Local Health Departments - Regional offices - Tribal agencies

Diep Hoang Johnson Vectorborne Disease Epidemiologist
Wisconsin Division of Public Health 
Bureau of Communicable Diseases
(Phone 608-267-0249)  (Fax 608-261-4976)

Last Revised: August 05, 2014