Outbreak

Strongest defenses remain mosquito control, early diagnosis and protecting those most at risk.

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For health systems, preparedness also means improving diagnostic capacity to quickly distinguish between dengue, chikungunya and leptospirosis, monitoring mosquito populations to target control measures, and identifying communities most at risk of severe disease.

PREPARING BEFORE IT'S TOO LATE But science and surveillance alone are not enough. Effective prevention also means confronting a growing challenge: the sharp reduction in global funding for outbreak preparedness, especially in low-and middle-income countries where chikungunya is now circulating.