1. World Health Organization Dengue and severe dengue o 2015 http://www.who.int/mediacentre/factsheets/fs117/en/
2. Epidemiology of dengue: past, present and future prospects;Murray;Clinical Epidemiology,2013
3. World Health Day campaign: World Health Organization http://www.who.int/campaigns/world-health-day/2014/en/
4. Joshi V Singhi M Study of role of zoonotic cycle of dengue virus in maintaining/amplifying endemic DF and causing DHF in different settings of Rajasthan, India 2006
5. Present and future arboviral threats;Weaver;Antiviral Research,2010