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You can get the chikungunya virus from the bite of an infected mosquito. Mosquitoes that attack during the day are the main carriers of the disease. If they bite an infected person, they can pass the virus on to other people.

Symptoms often appear 3 to 7 days after you are bitten by an infected mosquito. In rare cases it is fatal. The most common symptoms include high fever and severe joint pain, often in the hands and feet. This joint pain gives the virus its African name, which means “that which bends up.” Some people may also have:

• Headache

• Extreme tiredness (fatigue)

• Muscle pain

• Red, swollen eyes

• Upset stomach (nausea) or vomiting

• Joint swelling

• Rash

No medicine is currently available to treat this virus. There is no vaccine to prevent it. Treatment is aimed at easing symptoms. Treatments include:

• Rest. You may feel better faster if you get plenty of rest.

• Fluids. Drinking lots of fluids will help you stay hydrated. Don’t have alcohol or drinks with caffeine.

• Medicine. Acetaminophen or ibuprofen can help ease fever and joint pain.

  Don’t give aspirin (or medicine that contains aspirin) to a child younger than age 19 unless directed by your child’s provider. Taking aspirin can put your child at risk for Reye syndrome. This is a rare but very serious disorder. It most often affects the brain and the liver.

The best way to prevent chikungunya is to prevent mosquito bites:

• Use an insect repellant listed below that contains EPA-approved ingredients. Follow the instructions on the label about how to apply and when to reapply.
  • DEET
  • Picaridin (also called icaridin)
  • Oil of lemon eucalyptus (OLE)
  • Para-menthan-diol (PMD)
  • IR3535
  • 2-undecanone
• Wear clothing with long sleeves and long pant legs. Bring socks and shoes to cover your feet.
• Use permethrin, a type of insecticide you can put on fabrics. Don’t put it directly on your skin. If you are going camping, treat your clothing, shoes, and your tent with permethrin. You can also buy gear that’s already treated.
• Stay in indoor areas that have screens or air conditioning
• Put a mosquito net around your bed

Most people who have chikungunya feel better within a week. But the joint pain and stiffness may last for months or years after you first get the illness. In rare cases it causes serious infection or death in healthy people.

The virus can turn into a serious, even life-threatening illness in young children, pregnant women, and older adults. Also, people who have a weak immune system or other health conditions such as heart disease or diabetes are at higher risk for serious complications.

Call your healthcare provider right away if you have any of these:

• Fever of 100.4°F (38°C) or higher, or as directed by your provider

• Muscle or joint pain that lasts for more than 3 to 4 days

• Headache, confusion, or severe sleepiness

• New muscle weakness or paralysis