What is the chikungunya virus, how are countries such as China battling it? | Health News

United States health officials are urging travellers to remain vigilant as a mosquito-borne virus continues to circulate across parts of Asia, Africa, Europe, Latin America and the Indian Ocean.

Since the beginning of 2025, there have been approximately 240,000 chikungunya virus infections and 90 deaths in 16 countries, according to the European Centre for Disease Prevention and Control (ECDC).

In China, an outbreak has infected roughly 7,000 people since late June, with most cases…