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Defeating dengue by releasing mosquitoes with virus-blocking bacteria

Dengue virus infection:


Dengue can be defined as an illness caused by the dengue virus. It is generally caused by four closely related virus serotypes: DEN 1, DEN 2, DEN 3, and DEN 4 of the genus Flavivirus, family Flaviviridae. It is an arthropod-born viral disease affecting one-third of the world population. Dengue was first reported in the year 1950 and was the main reason for child mortality in various Asian and South American countries.


Geographically, it is distributed across 100 countries world wide. As per WHO, 100 million people are infected by dengue each year and 2.5 billion people are at risk of dengue infection. In worst case scenario dengue infection can convert into dengue hemorrhagic fever which causes bleeding from nose and gums and therefore can be fatal. However, most of the dengue patients recover from dengue infection in two weeks. 

Some facts about Dengue:

  1. Dengue fever and dengue haemorrhagic fever are considered as most usual mosquito-borne viral infection in the world. 
  2. Remember only female mosquito feeds on blood where as Male mosquitoes feed only on plant nectar.
  3. Female mosquito feed on blood because blood contain essential proteins that helps in producing eggs.
  4. The female Aedes mosquito actively search for suitable place in order to lay their eggs.


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