Dengue fever is a mosquito borne disease caused by dengue virus which is usually self limiting in most cases.
However, in some people it can present with life threatening complications such Dengue Shock Syndrome and Dengue Haemorrhagic Fever.
Dengue is not contagious and does not spread from person to person by physical contact.
The most effective way of preventing dengue fever is by taking precautions to avoid being bitten by mosquitoes.