Immunity to dengue is low in Singapore's population because of the intensive dengue-carrier controls, "making the population vulnerable to outbreaks, " said Ng LeeChing, director of the Environmental Health Institute at Singapore's National Environment Agency.
Some factors behind this year's outbreak include a higher mosquito population and "fitter viruses with higher epidemic potential, " said according to Ng LeeChing, director of the Environmental Health Institute at Singapore's National Environment Agency.
Temasek is not only a state-owned investment company, its Chief Executive Ho Ching is married to Lee Hsien Loong , the prime minister and son of the country's founding father.