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Chikungunya virus (CHIKV) is transmitted to people by mosquitoes. The virus causes high fever and severe joint pain that start suddenly. It can also cause headache, muscle pain and rash.CHIKV does not often result in death, but the symptoms can be disabling, and some people may get severe complications. There is no specific medication available to treat CHIKV and there is not a vaccine to prevent CHIKV. Avoiding mosquito bites is the key to avoid CHIKV.

DCHHS advises the public to use the '4Ds' to help reduce the chance of being bitten by a mosquito infected with Chikungunya.


  • DEET All Day, Every Day: Whenever you’re outside, use insect repellants that contain DEET, picaridin or oil of lemon eucalyptus.

  • DRESS: Wear long, loose and light-colored clothing outside.

  • DRAIN: Remove all areas of standing water in and around your home.

  • DUSK & DAWN: Limit outdoor activities during dusk and dawn hours when mosquitoes are most active.


DCHHS CHIKV brochure in English

DCHHS CHIKV brochure in Spanish

CDC Flyer for Inbound Travelers in English

CDC Flyer for Inbound Travelers in Spanish

To download the CHIKV fact sheet from CDC, click here.

To download CHIKV guidance for churches and other faith-based organizations concerning mosquito-borne disease during travel, click here.


For general questions or for more information about Dallas County Health and Human Services,
please email Director Zachary Thompson at zthompson@dallascounty.org.

Zachary S. Thompson
Christopher Perkins, D.O., M.P.H.
Medical Director / Health Authority

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