Gates Foundation Grand Challenges Grant Funds Oxitec Self-Limiting Aedes Aegypti for Dengue and Zika
The Gates Foundation awarded Oxitec $5 million through its Grand Challenges in Global Health initiative to advance field trials of self-limiting Aedes aegypti mosquitoes for dengue and Zika suppression. The OX513A Friendly Mosquito was subsequently deployed in trials in Brazil, the Cayman Islands, and Malaysia, achieving wild population suppression exceeding 90 percent in test zones. Success of this early grant directly seeded Oxitec's broader tropical disease mosquito-control platform and informed the foundation's decade-long bet on genetic insect biocontrol.
Source: https://www.labiotech.eu/trends-news/gates-foundation-oxitec-malaria-mosquito/
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Related Accomplishments
January 2026
Gates-backed World Mosquito Program reaches 16 million people protected from dengue via Wolbachia method
The World Mosquito Program — backed in part by the Gates Foundation — announced in January 2026 that its Wolbachia-infected mosquito releases had reached over 16.1 million people across multiple countries, including Colombia, Indonesia, Brazil, Sri Lanka, Fiji, Vanuatu, and Vietnam. Wolbachia-carrying Aedes aegypti mosquitoes — which block dengue, Zika, chikungunya, and yellow fever transmission — had established self-sustaining populations in treated cities without requiring ongoing releases. Gold-standard randomised trials in Indonesia showed a 77% reduction in dengue incidence. The program represented one of the largest and most cost-effective vector control deployments in history.
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