Tuesday, 20 December 2016

Dengue fever



                     "Dengue fever"

Dengue fever is a painful debilitating mosquito-borne disease caused by any one of four closely related dengue viruses .an estimated 390 million dengue infections occur worldwide each year with about 96 in tropical areas of the world:
* The indian subcontinent
* Southern Asia
* Taiwan
* Mexico
* Africa
References:
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