Dengue risk remains as Aedes mosquito population has grown: NEA Toggle share menu Advertisement An Aedes Aegypti mosquito on human skin. (File photo: AFP/LUIS ROBAYO) 25 Jan 2021 06:33PM (Updated: 25 Jan 2021 10:29PM) Share this content Bookmark SINGAPORE: Although the number of dengue cases has remained "relatively stable" for the past few weeks, the Aedes mosquito population is still high in some areas of Singapore, said the National Environment Agency (NEA) on Monday (Jan 25). The Aedes mosquito population rose by about 8 per cent in December, said NEA. Advertisement Advertisement In addition, two less common dengue serotypes - DENV-3 and DENV-4 - now make up more than half of the infections.