Incidence rate for dengue fever registered an increase from 357.49 per 100,000 population (2014) to 392.96 per 100,000 population (2015).
In 2015, three states recorded incidence rate of dengue fever cases which exceeded the national level, namely Selangor (1,065.93 per 100,000 population), W.P. Kuala Lumpur (443.25 per 100,000 population) and Johor (441.33 per 100,000 population).