Dengue is a mosquito-borne viral infection caused by four dengue virus serotypes, and disease caused mainly by Aedes aegypti and Aedes albopictus mosquitos. The Dengue virus is transmitted to humans through the bites of infected female mosquitoes, and Infected humans are the main carriers. The relevant mosquitos are daytime feeders,with peak biting periods early in the morning and in the evening before dusk. The key facts and other important details of this mosquito-borne viral infection are avaible in the website of World Health Organization.
Dengue fever is endemic in Sri Lanka, and the Dengue incidence cases usually increases soon after the rainfall which is optimal for mosquito breeding. The data for this study are obtained from the Epidemiology Unit, Ministry of Health, Sri Lanka.
Posts on Dengue Incidence cases
Some interactive Data Visualization plots based on different statistical aspects with interpretations for presenting the Dengue incidence cases for each district in Sri Lanka from year 2010 to 2017 are given in the following posts. The open source software R is used for data analysis.
The monthly dengue incidence data for each administrative district presented in the website of the Epidemiology Unit, Ministry of Health, Sri Lanka are used for the analysis.
Administrative units of Sri Lanka
Sri Lanka is divided into 9 provinces as the first layer of administrative units. The 9 provinces are Central Province(CP), Eastern Province(EP), North Central Province(NC), Northern Province(NP), North Western Province(NW), Sabaragamuwa Province(SG), Southern Province(SP), Uva Province(UP) and Western Province(WP).
