Chikungunya is a viral disease transmitted by infected female mosquitoes, with common symptoms including fever and joint pain, along with headache, muscle pain, joint swelling, or rash. The CDC has issued travel alerts for several countries due to outbreaks, notably Brazil, Colombia, and India. In China, significant attention is being paid to curb outbreaks in Foshan through public health measures such as insect repellent spraying and stagnant water management. In the U.S., no locally acquired cases have occurred since 2019, although travel-associated reports continue.
The most common symptoms of chikungunya are fever and joint pain. Other symptoms can include headache, muscle pain, joint swelling, or rash.
The CDC has issued level 2 'practice enhanced precautions' chikungunya travel health notices over outbreaks in Brazil, Colombia, India, Mexico, Nigeria, Pakistan, the Philippines, and Thailand.
Most of the chikungunya illnesses have been reported in Foshan, a Guangdong Province city of about 7.8 million people.
Locally acquired chikungunya cases have not been reported from U.S. states or territories since 2019, with 199 travel-associated reports in the U.S. in 2024.
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