What is Dengue Fever?

Dengue Fever is an illness spread by the bite of mosquitos infected with one of the dengue viruses.

What is Dengue Fever?

About Dengue Fever:

  • It is an illness spread by the bite of mosquitos infected with one of the dengue viruses.
  • It is spread by Aedes mosquitos, which also carry viruses like Zika and chikungunya. 
  • The virus is most commonly found in tropical and subtropical regions, including Central and South America, Africa, parts of Asia and the Pacific Islands.
  • Mild dengue fever causes a high fever and flu-like symptoms.
  • The severe form of dengue fever, also called dengue hemorrhagic fever, can cause serious bleeding, a sudden drop in blood pressure (shock) and death.
  • It isn’t contagious from person to person except when passed from a pregnant person to their child.
  • Treatment: There is no specific treatment for dengue. The focus is on treating pain symptoms.

 


Q1) What is chikungunya?

Chikungunya is a disease transmitted to humans by mosquitoes in Africa, Asia, and the Americas; sporadic outbreaks have been reported in other regions.There is currently no approved vaccine or specific treatment for chikungunya virus infections.

Source: Dengue virus in India has evolved, scientists highlight urgent need for vaccine

Latest UPSC Exam 2025 Updates

Last updated on June, 2025

UPSC Notification 2025 was released on 22nd January 2025.

UPSC Prelims Result 2025 is out now for the CSE held on 25 May 2025.

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