Dengue is a viral disease, transmitted by the infective bite of a particular mosquito known as Aedes Aegypti. Human being develops disease after 5 – 6 days of being bitten by an infective mosquito. It occurs in two forms: Classical Dengue fever also known as “break bone” fever and Dengue Haemorrhagic Fever (DHF) which is life threatening. It is very common after rainy season. It is highly contagious and spreads from one person to another through mosquito bites. It is widespread in tropical and sub-tropical regions.
The content of this module has been validated by Prof. U. Datta, NAtional Institute of Health & Family Welfare (NIHFW), 28th November 2014.