What is the chikungunya virus, how are countries such as China battling it?
Summary
Since early 2025, the chikungunya virus outbreak has affected thousands of people across multiple continents, including Asia and Africa. The virus is spread by mosquitoes and has led to significant health concerns, particularly in China and the Indian Ocean regions, with efforts underway to control it.Key Facts
- Chikungunya is a virus spread by Aedes aegypti mosquitoes, which also spread dengue and Zika.
- As of 2025, around 240,000 cases and 90 deaths have been reported in 16 countries.
- China experienced its largest outbreak since 2008, with about 7,000 cases in Foshan.
- The virus causes symptoms like fever and joint pain, which can last for months.
- High-risk groups include newborns, older adults, and those with health problems.
- The outbreak in La Reunion resulted in over 54,000 cases, marking a significant spread since 2005-2006.
- The Americas have the most global cases, with Brazil reporting 185,553 instances.
- The virus has reached several countries and regions, including Southeast Asia, Europe, and the U.S., with efforts to control mosquito populations.
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