Taiwan has reported its first confirmed case of chikungunya fever, imported from China, where a historic outbreak of the mosquito-borne virus is under way.

Chikungunya has swept through southern China in recent weeks, primarily in the manufacturing hub of Foshan on the Pearl River Delta, with cases rising to more than 8,000. The outbreak is the largest on record, according to Roger Hewson, virus surveillance lead at the United Kingdom’s Wellcome Sanger Institute.

Taiwan’s Centers for Disease Control (CDC) said on Friday that the chikungunya virus was detected in a Taiwanese woman who had travelled to Foshan and returned to Taiwan on July 30.

It was the first case of its kind detected so far in 2025, though more than a dozen cases have been previously detected and originated in Indonesia

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