Singapore reported 119 dengue cases for the week ending June 13, the highest weekly total recorded in 2026. According to the National Environmental Agency (NEA), this represents an increase of 39 cases from the previous week. There are currently 12 active dengue clusters, four of which have reached red-alert status due to high transmission rates.
Why are dengue cases rising in Singapore?
The current surge aligns with Singapore’s traditional dengue peak season, which typically runs from May to October. The NEA website notes that warmer temperatures during these months can accelerate mosquito development, leading to higher transmission rates.
Data from the NEA shows that weekly reported cases have remained above 50 since the week ending May 23. Between January and June 13, the agency recorded a total of 938 dengue cases across the island.
The highest number of dengue deaths recorded in a single year in Singapore was 32 in 2020. The previous record was 25 deaths in 2005.
Where are the current red-alert dengue clusters?
A red-alert classification is applied to high-risk clusters where 10 or more cases have been recorded. As of June 15, four specific areas have reached this level:
- Countryside Road/Lentor Avenue: 34 cases (noted by the NEA for a fast rate of transmission)
- Jalan Bangau/Jalan Jarak: 22 cases
- Neram Road/Nim Crescent: 19 cases
- Lilac Drive/Mimosa Road: 11 cases
The NEA reported that the three clusters in the Yio Chu Kang area are located near each other, suggesting localized transmission activity.
How does the current outbreak compare to previous years?
While weekly cases are rising, the agency’s quarterly surveillance data shows one dengue-related death was recorded between January and March. This provides a baseline for the current year’s mortality compared to major historical outbreaks.
| Year/Period | Metric | Recorded Value |
|---|---|---|
| 2026 (Jan–June 13) | Total Cases | 938 |
| 2020 | Annual Deaths | 32 |
| 2005 | Annual Deaths | 25 |
How can residents prevent mosquito breeding?
The NEA has urged the public to be vigilant and eradicate mosquito breeding sources to minimize community risk. Residents are encouraged to allow NEA officers to inspect premises and apply insecticide to remove adult mosquitoes immediately.
According to the agency, effective prevention includes these specific actions:
- Breaking up hardened soil in garden areas.
- Emptying flowerpot plates and overturning pails.
- Changing water in containers regularly.
- Keeping roof gutters clean to prevent stagnant water.
Check your balcony and service yard weekly. Even small amounts of water trapped in tray bases or discarded items can become breeding grounds for Aedes mosquitoes.
Frequently Asked Questions
What is a red-alert dengue cluster?
A red-alert cluster is a high-risk area identified by the NEA where 10 or more dengue cases have been recorded.

When is dengue season in Singapore?
Dengue cases traditionally peak between May and October due to warmer temperatures that accelerate mosquito development.
Are there currently any Zika or Chikungunya risks?
The NEA noted that there are currently no Zika clusters or Chikungunya clusters reported in Singapore.
Stay informed on local health updates. If you notice stagnant water around your home, take action immediately to protect your household and neighbors.
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