Fogging is effective in killing the Aedes mosquitoes. Its effect is immediate, extending to an average of 72 hours. While this is the main means of mitigating dengue infection in Malaysia, health offices are usually informed after the infection have been notified. As a result, fogging by itself does not reduce severe dengue infection that requires hospitalisations. Furthermore the resistance of the Aedes mosquitoes to insecticides is increasing.
A/Prof Dr Verna Lee Kar Mun, Family Medicine Specialist, IMU Healthcare, shares more about dengue vaccines, which has been proven to be effective in reducing the numbers of severe dengue infection requiring hospitalisation.
Learn more about this at Why Is A Dengue Vaccine Needed? (Health Today, 5 November 2024).