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  • Chikungunya is a virus transmitted to people by mosquitoes, specifically Aedes aegypti and Aedes albopictus mosquitoes.  These are the same mosquitoes that transmit dengue and Zika viruses.  The most common symptoms of chikungunya virus infection include fever and joint pain in addition to headache, muscle pain, joint swelling, or rash.  Outbreaks have occurred in countries in Africa, Asia, Europe, and the Indian and Pacific Oceans.  Chikungunya virus was first detected in the Americas on islands in the Caribbean in 2013.  In Michigan, chikungunya cases have been recorded by infected travelers.  There is no vaccine to prevent or medicine to treat chikungunya virus infection.  To minimize the chance of infection, travelers should take measures to prevent mosquito bites.