Parts of Asia are experiencing an outbreak in the Chikungunya virus right now. This mosquito-borne viral disease causes symptoms like high fever and joint pain, and though rarely fatal, could cause an unpleasant disruption to your travel plans. If you're planning to visit Asia anytime soon, here's all you need to know about Chikungunya, including prevention tips, symptoms to watch out for, and what to do if you suspect an infection.
What exactly is Chikungunya, and where is it spreading in Asia right now?
Chikungunya is a viral disease spread by Aedes mosquitos, the same ones that carry dengue fever and the Zika virus. This disease has been around since the 1950s, with urban outbreaks recorded in Asia since the 1970s.
In July 22, the World Health Organisation (WHO) issued an alert about Chikungunya after major outbreaks on Indian Ocean islands, such as La Reunion, Mayotte and Mauritius. Authorities in Asia are now on high alert because of a major outbreak in Guangdong, China, with cases exceeding 7,000 since June 2025. The U.S. Centers for Disease Control and Prevention issued a travel warning to affected areas in China.
Elsewhere in Asia, Singapore has reported 17 cases of Chikungunya fever (as of August 2), which is double the eight registered in the same period in 2024. Most of those affected by the virus recently travelled to affected areas outside of Singapore. Ministries in Vietnam are also preparing response measures ahead of the country's peak season for Aedes mosquitos in summer.
How do you catch it, and what are the symptoms to watch out for?
You can only get Chikungunya from the bite of an infected mosquito, and not from other people. Symptoms usually hit within four to eight days and commonly include high fever and severe joint pain. These tend to persist for some time, but are rarely fatal. Chikungunya is often confused with other mosquito-borne diseases like dengue and Zika, so it's best to go to a doctor to get a proper diagnosis.
Who is most at risk, and when is the risk highest?
Those who spend a lot of time outdoors, especially in the mornings and late afternoons when mosquitos are most active, are more at risk of being bitten by an infected mosquito. The elderly, pregnant women, and people with existing health conditions should also take extra care, as they can experience more severe symptoms.
How can I protect myself when travelling to affected areas?
Prevention is key. That means protecting yourself against mosquito bites by applying effective insect repellent, wearing long and protective clothing, or staying in rooms with screening to keep mosquitos out.
What should I do if I think I’ve been infected?
Seek prompt medical attention and be prepared to inform your doctor of your travel history and any mosquito bites. If you think you've been infected, start using insect repellent if you haven't already – it'll prevent mosquitos biting you, getting infected, and spreading the diseases to others.
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