Debug by Google Expands Singapore Hub to Scale AI-Powered Fight Against Mosquito-Borne Diseases

Debug by Google has announced a major expansion of its research and development and mosquito production capabilities in Singapore, marking the initiative’s first international R&D hub and its largest adult mosquito production facility to date.

The expansion strengthens Debug’s ongoing mission to combat mosquito-borne diseases such as dengue through a combination of AI, robotics, scientific innovation, and automation. For more than a decade, the Google initiative has focused on developing scalable mosquito suppression technologies aimed at protecting the 4 billion people worldwide who remain at risk of dengue infections.

At the centre of Debug’s approach is Wolbachia, a naturally occurring bacterium that prevents mosquitoes from transmitting diseases without the use of chemicals. The programme involves releasing Wolbachia-carrying male mosquitoes, which do not bite, to suppress mosquito populations and reduce disease transmission.

With the expanded Singapore facility, Debug plans to grow its team of software and hardware engineers alongside mosquito scientists to accelerate the development of next-generation AI and robotics technologies. These innovations are expected to improve the scaled production of Wolbachia-carrying male mosquitoes and strengthen mosquito management efforts across Singapore, Southeast Asia, and other global markets.

The announcement comes as Debug surpasses a milestone of releasing more than one billion male mosquitoes globally since the programme began. The initiative has already carried out mosquito production and community releases in countries including Singapore, Italy, Australia, and the United States.

Debug has been supporting Singapore’s National Environment Agency on Project Wolbachia since 2018 and opened its first end-to-end mosquito production facility in 2022. By 2024, the initiative was releasing six million male Wolbachia mosquitoes weekly in Singapore communities to suppress dengue-carrying mosquito populations. That number has now increased to over 10 million mosquitoes each week.

According to NEA’s extensive field trials, Project Wolbachia Singapore has achieved 80 to 90 per cent suppression of the Aedes aegypti mosquito population and reduced dengue cases by more than 70 per cent after six to 12 months of releases.

The expanded facility will continue advancing several core technologies that drive Debug’s mosquito suppression operations. These include end-to-end robotics systems that automate larval rearing and pupae separation, ensuring consistent mosquito growth and improving production yields. Male pupae are separated using differences in size before moving into adult sex-sorting processes.

Debug also uses proprietary AI-powered computer vision systems to separate male and female mosquitoes with greater accuracy. The enlarged R&D team will focus on refining these models to further improve sorting precision for the release of non-biting males.

Another key component of the programme is automated mosquito distribution. In Singapore’s dense urban environment and high-rise housing estates, Debug has developed software-enabled automated release vans designed to improve coverage efficiency while optimising manpower deployment.

Beyond mosquito suppression, the expanded facility will also support new research into mosquito population replacement strategies for overseas markets. This method involves releasing mosquitoes that can pass Wolbachia to future generations, eventually replacing disease-carrying mosquito populations with ones that are unable to transmit dengue.

To support this next phase, the facility will include a specialised larval rearing unit focused on innovations for replacement programmes in countries with larger populations, particularly across Southeast Asia.

While current operations primarily target Aedes aegypti mosquitoes linked to dengue transmission, the facility has been designed as a flexible platform capable of adapting to other mosquito species and vector-borne diseases in future.