Singapore Launches National Campaign to Combat Dengue with Innovative Mosquito Strategy

SINGAPORE — The National Environment Agency (NEA) has launched its annual National Dengue Prevention Campaign, coinciding with the onset of the traditional dengue peak season from May to October. This year’s campaign emphasizes the urgency of community involvement in mosquito control, particularly in light of the recent decline in dengue cases.

As of May 15, 2026, Singapore reported over 600 dengue cases from January to May 15, a 66% decrease compared to the same period in 2025, according to NEA. However, officials warn against complacency, citing the potential for outbreaks to escalate rapidly due to warmer temperatures that accelerate mosquito breeding cycles. Senior Minister of State for Sustainability and the Environment, Janil Puthucheary, highlighted the importance of early action, stating that it is crucial to act early, rather than react only when case numbers rise.

“We must act early, rather than react only when case numbers rise.”Janil Puthucheary, Senior Minister of State for Sustainability and the Environment

In an innovative approach to combat the dengue virus, the NEA has been releasing male Aedes aegypti mosquitoes infected with the Wolbachia bacteria under Project Wolbachia. This initiative aims to reduce the mosquito population by breeding these modified males, which do not transmit the virus. The project has shown promise, contributing to the overall reduction in dengue cases in recent years. NEA reported that community vigilance and mosquito suppression efforts have been crucial in maintaining lower case numbers.

Despite the recent decline, the NEA remains vigilant, noting that Singapore's unique geographical and climatic conditions pose ongoing risks for dengue transmission. The country’s role as an international transport hub, coupled with low population immunity and the presence of all four dengue virus serotypes, heightens the potential for outbreaks. In 2022, Singapore experienced over 32,000 dengue cases, marking one of the worst outbreaks on record.

During the campaign launch, Puthucheary emphasized the need for community action, stating that when each individual plays their part, it protects not just themselves, but their families, their neighbourhood, and the wider community. The NEA has been proactive in educating the public about the importance of eliminating mosquito breeding sites, with over 20,000 breeding habitats identified during inspections in 2025.

“When each of us plays our part, we protect not just ourselves, but our families, our neighbourhood, and the wider community.”Janil Puthucheary, Senior Minister of State for Sustainability and the Environment

Fines for mosquito breeding can reach up to $3,000 for construction sites for first-time offenders, underscoring the seriousness with which the NEA approaches this public health issue. The agency has taken substantial enforcement actions, including issuing fines and stop-work orders for construction sites found to harbor breeding sites.

As Singapore enters the peak dengue season, the NEA urges residents to remain vigilant and participate actively in preventive measures. The campaign’s message, which is that this is no small matter, serves as a reminder of the significant impact that dengue can have on health and community well-being.