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Highlight/Teaser: In the wake of a large outbreak in Reunion and Mayotte, the GeoSentinel network has been signalling chikungunya cases amongst returning travellers acquired in multiple African and Asian countries between 1 August 2024 and 10 June 2025. These surveillance data suggest a resurgence of chikungunya in the Indian Ocean Region.
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Huits et al. (2025) studied this question.
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